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64 vulnerabilities by apostrophecms
CVE-2026-84371 (GCVE-0-2026-84371)
Vulnerability from nvd – Published: 2026-09-01 20:51 – Updated: 2026-09-01 20:51
VLAI
EPSS
VEX
Title
ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-policy bypass
Summary
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. From version 1.9.0 until version 2.17.7, packages/sanitize-html/index.js validates an animation value attribute as one flat URL and does not recognize that attributeName selecting href or xlink:href gives the sibling values, from, to, or by attribute SVG SMIL URL semantics. In configurations that allow the animate, animateColor, animateMotion, animateTransform, or set elements, a values list can begin with a safe fragment and contain a later executable destination that survives allowedSchemesAppliedToAttributes checking. When the sanitized SVG is rendered, the browser can copy that later destination into the live link, and a victim who activates the link can execute script in the application's origin. This issue is fixed in version 2.17.7.
Severity
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/pull/5552 | x_refsource_MISC |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
| https://github.com/apostrophecms/apostrophe/blob/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
>= 1.9.0, < 2.17.7
|
{
"containers": {
"cna": {
"affected": [
{
"product": "apostrophe",
"vendor": "apostrophecms",
"versions": [
{
"status": "affected",
"version": "\u003e= 1.9.0, \u003c 2.17.7"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. From version 1.9.0 until version 2.17.7, packages/sanitize-html/index.js validates an animation value attribute as one flat URL and does not recognize that attributeName selecting href or xlink:href gives the sibling values, from, to, or by attribute SVG SMIL URL semantics. In configurations that allow the animate, animateColor, animateMotion, animateTransform, or set elements, a values list can begin with a safe fragment and contain a later executable destination that survives allowedSchemesAppliedToAttributes checking. When the sanitized SVG is rendered, the browser can copy that later destination into the live link, and a victim who activates the link can execute script in the application\u0027s origin. This issue is fixed in version 2.17.7."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-01T20:51:10.441Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-g8qq-57p8-ggw5",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-g8qq-57p8-ggw5"
},
{
"name": "https://github.com/apostrophecms/apostrophe/pull/5552",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/pull/5552"
},
{
"name": "https://github.com/apostrophecms/apostrophe/commit/1135516a1a4a8f9638641c460488a43d8af20081",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/commit/1135516a1a4a8f9638641c460488a43d8af20081"
},
{
"name": "https://github.com/apostrophecms/apostrophe/commit/38ff1106c8176b16c2da9872acd9b449adcbb949",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/commit/38ff1106c8176b16c2da9872acd9b449adcbb949"
},
{
"name": "https://github.com/apostrophecms/apostrophe/blob/main/packages/sanitize-html/CHANGELOG.md",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/blob/main/packages/sanitize-html/CHANGELOG.md"
}
],
"source": {
"advisory": "GHSA-g8qq-57p8-ggw5",
"discovery": "UNKNOWN"
},
"title": "ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-policy bypass"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-84371",
"datePublished": "2026-09-01T20:51:10.441Z",
"dateReserved": "2026-09-01T16:27:58.129Z",
"dateUpdated": "2026-09-01T20:51:10.441Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-71553 (GCVE-0-2026-71553)
Vulnerability from nvd – Published: 2026-08-17 20:03 – Updated: 2026-08-17 20:14
VLAI
EPSS
VEX
Title
ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS
Summary
ApostropheCMS is an open-source Node.js content management system. In 4.32.0 and earlier, PATCH /api/v1/article/:id accepts the inherited path toString.call and passes it through the utility module to apos.util.set() and apos.util.get(), allowing an authenticated editor to overwrite the shared Object.prototype.toString function's call property and cause a persistent process-wide denial of service until restart.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 20:14 UTC
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.32.0
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-71553",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-17T20:14:00.169874Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T20:14:15.721Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "apostrophe",
"vendor": "apostrophecms",
"versions": [
{
"status": "affected",
"version": "\u003c= 4.32.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ApostropheCMS is an open-source Node.js content management system. In 4.32.0 and earlier, PATCH /api/v1/article/:id accepts the inherited path toString.call and passes it through the utility module to apos.util.set() and apos.util.get(), allowing an authenticated editor to overwrite the shared Object.prototype.toString function\u0027s call property and cause a persistent process-wide denial of service until restart."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1321",
"description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T20:03:37.883Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-vmg4-6gfg-83qx",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-vmg4-6gfg-83qx"
},
{
"name": "https://github.com/apostrophecms/apostrophe/commit/5a3746aaed49761e171c2cbfe793267c959829fd",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/commit/5a3746aaed49761e171c2cbfe793267c959829fd"
}
],
"source": {
"advisory": "GHSA-vmg4-6gfg-83qx",
"discovery": "UNKNOWN"
},
"title": "ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-71553",
"datePublished": "2026-08-17T20:03:37.883Z",
"dateReserved": "2026-08-06T21:24:15.376Z",
"dateUpdated": "2026-08-17T20:14:15.721Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-63670 (GCVE-0-2026-63670)
Vulnerability from nvd – Published: 2026-08-17 19:49 – Updated: 2026-08-18 18:08
VLAI
EPSS
VEX
Title
ApostropheCMS: Mutation-XSS / allowedTags bypass via literal `</textarea/>` solidus close
Summary
ApostropheCMS is an open-source Node.js content management system. Prior to 2.17.6, sanitizeHtml() can pass disallowed executable markup through packages/sanitize-html/index.js when textarea or xmp is included in allowedTags because a literal solidus after the raw-text end-tag name is treated as text by htmlparser2 and the ontext handler emits that content without escaping, while a browser parses the following img onerror markup as active HTML. This issue is fixed in version 2.17.6.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 18:07 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/pull/5501 | x_refsource_MISC |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
< 2.17.6
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-63670",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-18T18:07:52.564054Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T18:08:30.331Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-jxwj-j7wr-gfrw"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "apostrophe",
"vendor": "apostrophecms",
"versions": [
{
"status": "affected",
"version": "\u003c 2.17.6"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ApostropheCMS is an open-source Node.js content management system. Prior to 2.17.6, sanitizeHtml() can pass disallowed executable markup through packages/sanitize-html/index.js when textarea or xmp is included in allowedTags because a literal solidus after the raw-text end-tag name is treated as text by htmlparser2 and the ontext handler emits that content without escaping, while a browser parses the following img onerror markup as active HTML. This issue is fixed in version 2.17.6."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T19:49:51.903Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-jxwj-j7wr-gfrw",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-jxwj-j7wr-gfrw"
},
{
"name": "https://github.com/apostrophecms/apostrophe/pull/5501",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/pull/5501"
},
{
"name": "https://github.com/apostrophecms/apostrophe/commit/eae1fb2b72ec5d1c27d0977509c6482a0408f725",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/commit/eae1fb2b72ec5d1c27d0977509c6482a0408f725"
}
],
"source": {
"advisory": "GHSA-jxwj-j7wr-gfrw",
"discovery": "UNKNOWN"
},
"title": "ApostropheCMS: Mutation-XSS / allowedTags bypass via literal `\u003c/textarea/\u003e` solidus close"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-63670",
"datePublished": "2026-08-17T19:49:51.903Z",
"dateReserved": "2026-07-17T14:47:08.032Z",
"dateUpdated": "2026-08-18T18:08:30.331Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-63669 (GCVE-0-2026-63669)
Vulnerability from nvd – Published: 2026-08-17 19:41 – Updated: 2026-08-17 22:01
VLAI
EPSS
VEX
Title
ApostropheCMS: Missing destination-parent authorization in page `move()` allows a low-privileged editor to move and re-rank pages inside a restricted subtree
Summary
ApostropheCMS is an open-source Node.js content management system. Prior to 4.32.0, the page module's move() operation fails to enforce the destination parent's _create permission because its oldParent archive condition disables the check for ordinary moves, allowing an authenticated editor or contributor to use _targetId and _position through the page REST update endpoint to move a controlled page into a restricted subtree and make nudgeNewPeers() updateMany re-rank protected sibling pages. This issue is fixed in version 4.32.0.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 21:29 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
< 4.32.0
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-63669",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-17T21:29:08.295154Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T22:01:18.244Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "apostrophe",
"vendor": "apostrophecms",
"versions": [
{
"status": "affected",
"version": "\u003c 4.32.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "ApostropheCMS is an open-source Node.js content management system. Prior to 4.32.0, the page module\u0027s move() operation fails to enforce the destination parent\u0027s _create permission because its oldParent archive condition disables the check for ordinary moves, allowing an authenticated editor or contributor to use _targetId and _position through the page REST update endpoint to move a controlled page into a restricted subtree and make nudgeNewPeers() updateMany re-rank protected sibling pages. This issue is fixed in version 4.32.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862: Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-17T19:41:52.574Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-wr5r-wqp2-x4fh",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-wr5r-wqp2-x4fh"
},
{
"name": "https://github.com/apostrophecms/apostrophe/commit/d50c6ad61b9c1788958752358f1fca714cc8368c",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/commit/d50c6ad61b9c1788958752358f1fca714cc8368c"
}
],
"source": {
"advisory": "GHSA-wr5r-wqp2-x4fh",
"discovery": "UNKNOWN"
},
"title": "ApostropheCMS: Missing destination-parent authorization in page `move()` allows a low-privileged editor to move and re-rank pages inside a restricted subtree"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-63669",
"datePublished": "2026-08-17T19:41:52.574Z",
"dateReserved": "2026-07-17T14:47:08.032Z",
"dateUpdated": "2026-08-17T22:01:18.244Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-63667 (GCVE-0-2026-63667)
Vulnerability from nvd – Published: 2026-08-17 19:56 – Updated: 2026-08-17 20:05
VLAI
EPSS
VEX
Title
ApostropheCMS: Arbitrary file read via import-export attachment-name path traversal
Summary
ApostropheCMS is an open-source Node.js content management system. Prior to 3.6.2, the import-export module in packages/import-export/lib/formats/gzip.js constructs an attachment source path from the attacker-controlled _id, name, and extension fields in aposAttachments.json without ensuring that the resolved path remains under the extracted attachments directory, allowing an authenticated contributor to import a crafted archive, read a host file with an allowed extension, and publish the copied file at an unauthenticated uploads URL. This issue is fixed in version 3.6.2.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 20:05 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
< 3.6.2
|
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CVE-2026-53609 (GCVE-0-2026-53609)
Vulnerability from nvd – Published: 2026-06-12 20:59 – Updated: 2026-06-15 18:29
VLAI
EPSS
VEX
Title
Apostrophe has Server-Side Prototype Pollution in apos.util.set via patch operators that leads to process-wide authorization bypass
Summary
ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, `apos.util.set()` traverses dot-notation paths without sanitizing `__proto__`, allowing an authenticated editor to write arbitrary values to `Object.prototype` via the `$pullAll` patch operator. A confirmed gadget in `publicApiCheck()` causes this to bypass authorization on all piece-type REST API endpoints for every subsequent unauthenticated request, for the lifetime of the Node.js process. As of time of publication, no known patched versions are available.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:29 UTC
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.30.0
|
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}
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CVE-2026-53608 (GCVE-0-2026-53608)
Vulnerability from nvd – Published: 2026-06-12 20:57 – Updated: 2026-06-15 17:49
VLAI
EPSS
VEX
Title
@apostrophecms/seo Vulnerable to Stored XSS via Unsanitized Google Analytics / GTM ID Injected into Script Tag
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 1.4.2 of the `@apostrophecms/seo` package injects the Google Analytics Tracking ID (`seoGoogleTrackingId`) and Google Tag Manager ID (`seoGoogleTagManager`) directly into `<script>` tag bodies using JavaScript template literals without any sanitization or validation. Any user with editor-level access (the default role for content managers) can set these fields to a malicious value, resulting in stored XSS that executes on every page for every visitor of the site. As of time of publication, no known patched versions are available.
Severity
8.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 17:49 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | @apostrophecms/seo |
Affected:
<= 1.4.2
|
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}
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CVE-2026-53607 (GCVE-0-2026-53607)
Vulnerability from nvd – Published: 2026-06-12 20:54 – Updated: 2026-06-15 18:35
VLAI
EPSS
VEX
Title
@apostrophecms/file pretty-URL Vulnerable to Unauthenticated SSRF via Host header
Summary
ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, when `prettyUrls: true` is enabled on `@apostrophecms/file` (a documented SEO feature for serving uploaded files at clean URLs), the public pretty-URL handler builds the upstream URL using the raw `Host` HTTP request header. That URL is then `fetch`'ed and the response body + headers are streamed straight back to the requester. Because `Host` is fully attacker-controlled, an unauthenticated remote attacker can pivot the apostrophe process to issue outbound HTTP requests against any host it can reach on the private network. The path component is constrained to `/uploads/attachments/<cuid>-<slug>.<ext>` (built from a local-DB lookup), which keeps the impact narrow: cross-instance data exfiltration is neutralized by cuid uniqueness, but blind-SSRF residuals remain (network-topology mapping via response-code / timing differences and verbose proxy/WAF 404 body disclosure). As of time of publication, no known patched versions exist.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:35 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.30.0
|
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}
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"discovery": "UNKNOWN"
},
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}
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CVE-2026-53606 (GCVE-0-2026-53606)
Vulnerability from nvd – Published: 2026-06-12 20:50 – Updated: 2026-06-15 17:54
VLAI
EPSS
VEX
Title
sanitize-html has an incomplete URI scheme validation that allows javascript: URIs through action, formaction, data, poster, and background attributes
Summary
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use `allowedSchemesAppliedToAttributes` (default: `['href', 'src', 'cite']`) to gate the `naughtyHref()` function that blocks dangerous URI schemes like `javascript:` and `vbscript:`. The HTML specification defines 10+ attributes that accept URIs (`action`, `formaction`, `data`, `poster`, `background`, `ping`, `xlink:href`, `dynsrc`, `lowsrc`), but none of these are included in the default gate list. When a developer allows any of these attributes in their configuration, `javascript:` URIs pass through completely unmodified, enabling XSS. Version 2.17.5 patches the issue.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 17:54 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | sanitize-html |
Affected:
< 2.17.5
|
{
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"adp": [
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},
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],
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"timestamp": "2026-06-15T17:54:19.772501Z",
"version": "2.0.3"
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}
],
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}
],
"cna": {
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CVE-2026-45014 (GCVE-0-2026-45014)
Vulnerability from nvd – Published: 2026-06-12 20:48 – Updated: 2026-06-15 17:55
VLAI
EPSS
VEX
Title
Apostrophe Vulnerable to Stored Cross-Site Scripting via Unsanitized User Display Name in Draft Version Tooltip
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 are vulnerable to stored cross-site scripting via unsanitized user display name in draft version tooltip. As of time of publication, no known patched versions are available.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 17:55 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.29.0
|
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CVE-2026-45013 (GCVE-0-2026-45013)
Vulnerability from nvd – Published: 2026-06-12 20:46 – Updated: 2026-06-13 03:37
VLAI
EPSS
VEX
Title
Apostrophe has a Weak Password Recovery Mechanism for Forgotten Password and Improper Input Validation
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 have a password reset flow that constructs the reset URL using `req.hostname`, which is derived directly from the attacker-controlled HTTP `Host` header when `apos.baseUrl` is not explicitly configured. An unauthenticated attacker who knows a victim's email address can send a crafted reset request that causes the application to email the victim a reset link pointing to the attacker's domain. When the victim clicks the link, the valid reset token is delivered to the attacker, enabling full account takeover. As of time of publication, no known patched versions are available.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-13 03:36 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.29.0
|
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CVE-2026-45012 (GCVE-0-2026-45012)
Vulnerability from nvd – Published: 2026-06-12 20:44 – Updated: 2026-06-15 19:27
VLAI
EPSS
VEX
Title
Apostrophe has authenticated SSRF in rich-text widget import via @apostrophecms/area/validate-widget
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 contain an authenticated server-side request forgery (SSRF) in the rich-text widget import flow. An authenticated user who can submit/edit rich-text widget content can cause the server to fetch attacker-controlled URLs during widget validation. For image-compatible responses, the fetched content can be persisted and re-hosted by Apostrophe, allowing response exfiltration. As of time of publication, no known patched versions are available.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:47 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.29.0
|
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CVE-2026-45011 (GCVE-0-2026-45011)
Vulnerability from nvd – Published: 2026-06-12 20:43 – Updated: 2026-06-15 15:16
VLAI
EPSS
VEX
Title
Apostrophe has stored XSS via javascript: URL in Image Widget Link
Summary
ApostropheCMS is an open-source Node.js content management system. Version 4.29.0 has a stored cross-site scripting vulnerability in the image widget functionality. A user with the Editor role can configure an image widget link to use a javascript: URL payload. Because editors have permission to publish pages, the malicious widget can be published to the live site. When another user, including an administrator or public visitor, clicks the affected image/link, arbitrary JavaScript executes in the victim’s browser. As of time of publication, no known patched versions are available.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 15:16 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/relea… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
= 4.29.0
|
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CVE-2026-44990 (GCVE-0-2026-44990)
Vulnerability from nvd – Published: 2026-06-12 20:39 – Updated: 2026-09-01 12:04
VLAI
EPSS
VEX
Title
Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`
Summary
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of `sanitize-html` prior to 2.17.4 can turn attacker-controlled content inside a disallowed `xmp` element into live HTML or JavaScript. This is a sanitizer bypass in the default `disallowedTagsMode: 'discard'` path and can lead to stored XSS in applications that render sanitized output back to users. Version 2.17.4 patches the issue.
Severity
9.3 (Critical)
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 13:04 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
29 references
Impacted products
28 products
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | sanitize-html |
Affected:
< 2.17.4
|
|
| Red Hat | multicluster engine for Kubernetes 2.10 |
Unaffected:
1784312384 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.10::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.11 |
Unaffected:
1786911977 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.11::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.17 |
Unaffected:
1786668856 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.17::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.6 |
Unaffected:
1783351002 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.6::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.8 |
Unaffected:
1785078604 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.8::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.9 |
Unaffected:
1783348181 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.9::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.11 |
Unaffected:
1783350952 , < *
(rpm)
cpe:/a:redhat:acm:2.11::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.13 |
Unaffected:
1785078581 , < *
(rpm)
cpe:/a:redhat:acm:2.13::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.14 |
Unaffected:
1783451729 , < *
(rpm)
cpe:/a:redhat:acm:2.14::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.15 |
Unaffected:
1784578812 , < *
(rpm)
cpe:/a:redhat:acm:2.15::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.16 |
Unaffected:
1786908361 , < *
(rpm)
cpe:/a:redhat:acm:2.16::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.17 |
Unaffected:
1787335105 , < *
(rpm)
cpe:/a:redhat:acm:2.17::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.19 |
Unaffected:
1784844382 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.19::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.20 |
Unaffected:
1784629964 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Dev Spaces 3.29 |
Unaffected:
1784737150 , < *
(rpm)
cpe:/a:redhat:openshift_devspaces:3.29::el9 |
|
| Red Hat | Red Hat Quay 3.1 |
Unaffected:
1783750447 , < *
(rpm)
cpe:/a:redhat:quay:3.10::el8 |
|
| Red Hat | Red Hat Quay 3.12 |
Unaffected:
1783751865 , < *
(rpm)
Unaffected: 1784353904 , < * (rpm) cpe:/a:redhat:quay:3.12::el8 |
|
| Red Hat | Red Hat Quay 3.15 |
Unaffected:
1784351966 , < *
(rpm)
cpe:/a:redhat:quay:3.15::el8 |
|
| Red Hat | Red Hat Quay 3.16 |
Unaffected:
1783955846 , < *
(rpm)
cpe:/a:redhat:quay:3.16::el9 |
|
| Red Hat | Red Hat Quay 3.9 |
Unaffected:
1784125838 , < *
(rpm)
cpe:/a:redhat:quay:3.9::el8 |
|
| Red Hat | Red Hat Satellite 6.18 |
Unaffected:
1785922764 , < *
(rpm)
cpe:/a:redhat:satellite:6.18::el9 |
|
| Red Hat | Red Hat Satellite 6.19 |
Unaffected:
1785956497 , < *
(rpm)
cpe:/a:redhat:satellite:6.19::el9 |
|
| Red Hat | Red Hat Satellite 6.19 |
Unaffected:
1785937325 , < *
(rpm)
cpe:/a:redhat:satellite:6.19::el9 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Red Hat Satellite 6 |
cpe:/a:redhat:satellite:6
|
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{
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{
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},
{
"lang": "en",
"value": "RHSA-2026:46885: multicluster engine for Kubernetes 2.10"
},
{
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"value": "RHSA-2026:57194: multicluster engine for Kubernetes 2.11"
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{
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"value": "RHSA-2026:59593: multicluster engine for Kubernetes 2.17"
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{
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"value": "RHSA-2026:41055: multicluster engine for Kubernetes 2.6"
},
{
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"value": "RHSA-2026:47735: multicluster engine for Kubernetes 2.8"
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"time": "2026-06-12T20:39:47.065Z",
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CVE-2026-42853 (GCVE-0-2026-42853)
Vulnerability from nvd – Published: 2026-06-12 20:37 – Updated: 2026-06-13 03:34
VLAI
EPSS
VEX
Title
@apostrophecms/cli: Command Injection in apos create via Unsanitized Password Input
Summary
ApostropheCMS is an open-source Node.js content management system. Versions of the @apostrophecms/cli package up to and including 3.6.0 contain a command injection vulnerability in the apos create command. User-supplied input from the password prompt is embedded directly into a shell command without proper sanitization or escaping. This allows execution of arbitrary commands on the host system. As of time of publication, no known patched versions are available.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-13 03:34 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | @apostrophecms/cli |
Affected:
<= 3.6.0
|
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CVE-2026-84371 (GCVE-0-2026-84371)
Vulnerability from cvelistv5 – Published: 2026-09-01 20:51 – Updated: 2026-09-01 20:51
VLAI
EPSS
VEX
Title
ApostropheCMS: Stored XSS via SVG SMIL URI-list scheme-policy bypass
Summary
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. From version 1.9.0 until version 2.17.7, packages/sanitize-html/index.js validates an animation value attribute as one flat URL and does not recognize that attributeName selecting href or xlink:href gives the sibling values, from, to, or by attribute SVG SMIL URL semantics. In configurations that allow the animate, animateColor, animateMotion, animateTransform, or set elements, a values list can begin with a safe fragment and contain a later executable destination that survives allowedSchemesAppliedToAttributes checking. When the sanitized SVG is rendered, the browser can copy that later destination into the live link, and a victim who activates the link can execute script in the application's origin. This issue is fixed in version 2.17.7.
Severity
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/pull/5552 | x_refsource_MISC |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
| https://github.com/apostrophecms/apostrophe/blob/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
>= 1.9.0, < 2.17.7
|
{
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"vendor": "apostrophecms",
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}
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{
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"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/apostrophecms/apostrophe/blob/main/packages/sanitize-html/CHANGELOG.md"
}
],
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"discovery": "UNKNOWN"
},
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}
},
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CVE-2026-71553 (GCVE-0-2026-71553)
Vulnerability from cvelistv5 – Published: 2026-08-17 20:03 – Updated: 2026-08-17 20:14
VLAI
EPSS
VEX
Title
ApostropheCMS: 2nd-order prototype pollution via PATCH leading to single-request persistent DoS
Summary
ApostropheCMS is an open-source Node.js content management system. In 4.32.0 and earlier, PATCH /api/v1/article/:id accepts the inherited path toString.call and passes it through the utility module to apos.util.set() and apos.util.get(), allowing an authenticated editor to overwrite the shared Object.prototype.toString function's call property and cause a persistent process-wide denial of service until restart.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 20:14 UTC
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.32.0
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-71553",
"options": [
{
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},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-17T20:14:00.169874Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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"vendor": "apostrophecms",
"versions": [
{
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}
]
}
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CVE-2026-63667 (GCVE-0-2026-63667)
Vulnerability from cvelistv5 – Published: 2026-08-17 19:56 – Updated: 2026-08-17 20:05
VLAI
EPSS
VEX
Title
ApostropheCMS: Arbitrary file read via import-export attachment-name path traversal
Summary
ApostropheCMS is an open-source Node.js content management system. Prior to 3.6.2, the import-export module in packages/import-export/lib/formats/gzip.js constructs an attachment source path from the attacker-controlled _id, name, and extension fields in aposAttachments.json without ensuring that the resolved path remains under the extracted attachments directory, allowing an authenticated contributor to import a crafted archive, read a host file with an allowed extension, and publish the copied file at an unauthenticated uploads URL. This issue is fixed in version 3.6.2.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 20:05 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
< 3.6.2
|
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CVE-2026-63670 (GCVE-0-2026-63670)
Vulnerability from cvelistv5 – Published: 2026-08-17 19:49 – Updated: 2026-08-18 18:08
VLAI
EPSS
VEX
Title
ApostropheCMS: Mutation-XSS / allowedTags bypass via literal `</textarea/>` solidus close
Summary
ApostropheCMS is an open-source Node.js content management system. Prior to 2.17.6, sanitizeHtml() can pass disallowed executable markup through packages/sanitize-html/index.js when textarea or xmp is included in allowedTags because a literal solidus after the raw-text end-tag name is treated as text by htmlparser2 and the ontext handler emits that content without escaping, while a browser parses the following img onerror markup as active HTML. This issue is fixed in version 2.17.6.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 18:07 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/pull/5501 | x_refsource_MISC |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
< 2.17.6
|
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CVE-2026-63669 (GCVE-0-2026-63669)
Vulnerability from cvelistv5 – Published: 2026-08-17 19:41 – Updated: 2026-08-17 22:01
VLAI
EPSS
VEX
Title
ApostropheCMS: Missing destination-parent authorization in page `move()` allows a low-privileged editor to move and re-rank pages inside a restricted subtree
Summary
ApostropheCMS is an open-source Node.js content management system. Prior to 4.32.0, the page module's move() operation fails to enforce the destination parent's _create permission because its oldParent archive condition disables the check for ordinary moves, allowing an authenticated editor or contributor to use _targetId and _position through the page REST update endpoint to move a controlled page into a restricted subtree and make nudgeNewPeers() updateMany re-rank protected sibling pages. This issue is fixed in version 4.32.0.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 21:29 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
< 4.32.0
|
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CVE-2026-53609 (GCVE-0-2026-53609)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:59 – Updated: 2026-06-15 18:29
VLAI
EPSS
VEX
Title
Apostrophe has Server-Side Prototype Pollution in apos.util.set via patch operators that leads to process-wide authorization bypass
Summary
ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, `apos.util.set()` traverses dot-notation paths without sanitizing `__proto__`, allowing an authenticated editor to write arbitrary values to `Object.prototype` via the `$pullAll` patch operator. A confirmed gadget in `publicApiCheck()` causes this to bypass authorization on all piece-type REST API endpoints for every subsequent unauthenticated request, for the lifetime of the Node.js process. As of time of publication, no known patched versions are available.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:29 UTC
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.30.0
|
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],
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}
],
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},
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}
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CVE-2026-53608 (GCVE-0-2026-53608)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:57 – Updated: 2026-06-15 17:49
VLAI
EPSS
VEX
Title
@apostrophecms/seo Vulnerable to Stored XSS via Unsanitized Google Analytics / GTM ID Injected into Script Tag
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 1.4.2 of the `@apostrophecms/seo` package injects the Google Analytics Tracking ID (`seoGoogleTrackingId`) and Google Tag Manager ID (`seoGoogleTagManager`) directly into `<script>` tag bodies using JavaScript template literals without any sanitization or validation. Any user with editor-level access (the default role for content managers) can set these fields to a malicious value, resulting in stored XSS that executes on every page for every visitor of the site. As of time of publication, no known patched versions are available.
Severity
8.7 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 17:49 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | @apostrophecms/seo |
Affected:
<= 1.4.2
|
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CVE-2026-53607 (GCVE-0-2026-53607)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:54 – Updated: 2026-06-15 18:35
VLAI
EPSS
VEX
Title
@apostrophecms/file pretty-URL Vulnerable to Unauthenticated SSRF via Host header
Summary
ApostropheCMS is an open-source Node.js content management system. In versions up to and including 4.30.0, when `prettyUrls: true` is enabled on `@apostrophecms/file` (a documented SEO feature for serving uploaded files at clean URLs), the public pretty-URL handler builds the upstream URL using the raw `Host` HTTP request header. That URL is then `fetch`'ed and the response body + headers are streamed straight back to the requester. Because `Host` is fully attacker-controlled, an unauthenticated remote attacker can pivot the apostrophe process to issue outbound HTTP requests against any host it can reach on the private network. The path component is constrained to `/uploads/attachments/<cuid>-<slug>.<ext>` (built from a local-DB lookup), which keeps the impact narrow: cross-instance data exfiltration is neutralized by cuid uniqueness, but blind-SSRF residuals remain (network-topology mapping via response-code / timing differences and verbose proxy/WAF 404 body disclosure). As of time of publication, no known patched versions exist.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:35 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.30.0
|
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CVE-2026-53606 (GCVE-0-2026-53606)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:50 – Updated: 2026-06-15 17:54
VLAI
EPSS
VEX
Title
sanitize-html has an incomplete URI scheme validation that allows javascript: URIs through action, formaction, data, poster, and background attributes
Summary
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Versions of sanitize-html prior to 2.17.5 use `allowedSchemesAppliedToAttributes` (default: `['href', 'src', 'cite']`) to gate the `naughtyHref()` function that blocks dangerous URI schemes like `javascript:` and `vbscript:`. The HTML specification defines 10+ attributes that accept URIs (`action`, `formaction`, `data`, `poster`, `background`, `ping`, `xlink:href`, `dynsrc`, `lowsrc`), but none of these are included in the default gate list. When a developer allows any of these attributes in their configuration, `javascript:` URIs pass through completely unmodified, enabling XSS. Version 2.17.5 patches the issue.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 17:54 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | sanitize-html |
Affected:
< 2.17.5
|
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},
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CVE-2026-45014 (GCVE-0-2026-45014)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:48 – Updated: 2026-06-15 17:55
VLAI
EPSS
VEX
Title
Apostrophe Vulnerable to Stored Cross-Site Scripting via Unsanitized User Display Name in Draft Version Tooltip
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 are vulnerable to stored cross-site scripting via unsanitized user display name in draft version tooltip. As of time of publication, no known patched versions are available.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 17:55 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.29.0
|
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}
],
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"version": "4.0",
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},
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}
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"discovery": "UNKNOWN"
},
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}
},
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"state": "PUBLISHED"
},
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CVE-2026-45013 (GCVE-0-2026-45013)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:46 – Updated: 2026-06-13 03:37
VLAI
EPSS
VEX
Title
Apostrophe has a Weak Password Recovery Mechanism for Forgotten Password and Improper Input Validation
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 have a password reset flow that constructs the reset URL using `req.hostname`, which is derived directly from the attacker-controlled HTTP `Host` header when `apos.baseUrl` is not explicitly configured. An unauthenticated attacker who knows a victim's email address can send a crafted reset request that causes the application to email the victim a reset link pointing to the attacker's domain. When the victim clicks the link, the valid reset token is delivered to the attacker, enabling full account takeover. As of time of publication, no known patched versions are available.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-13 03:36 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.29.0
|
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CVE-2026-45012 (GCVE-0-2026-45012)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:44 – Updated: 2026-06-15 19:27
VLAI
EPSS
VEX
Title
Apostrophe has authenticated SSRF in rich-text widget import via @apostrophecms/area/validate-widget
Summary
ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 contain an authenticated server-side request forgery (SSRF) in the rich-text widget import flow. An authenticated user who can submit/edit rich-text widget content can cause the server to fetch attacker-controlled URLs during widget validation. For image-compatible responses, the fetched content can be persisted and re-hosted by Apostrophe, allowing response exfiltration. As of time of publication, no known patched versions are available.
Severity
7.6 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 18:47 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
<= 4.29.0
|
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}
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CVE-2026-45011 (GCVE-0-2026-45011)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:43 – Updated: 2026-06-15 15:16
VLAI
EPSS
VEX
Title
Apostrophe has stored XSS via javascript: URL in Image Widget Link
Summary
ApostropheCMS is an open-source Node.js content management system. Version 4.29.0 has a stored cross-site scripting vulnerability in the image widget functionality. A user with the Editor role can configure an image widget link to use a javascript: URL payload. Because editors have permission to publish pages, the malicious widget can be published to the live site. When another user, including an administrator or public visitor, clicks the affected image/link, arbitrary JavaScript executes in the victim’s browser. As of time of publication, no known patched versions are available.
Severity
7.3 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 15:16 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
| https://github.com/apostrophecms/apostrophe/relea… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | apostrophe |
Affected:
= 4.29.0
|
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}
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CVE-2026-44990 (GCVE-0-2026-44990)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:39 – Updated: 2026-09-01 12:04
VLAI
EPSS
VEX
Title
Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html`
Summary
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API. Under the default configuration, versions of `sanitize-html` prior to 2.17.4 can turn attacker-controlled content inside a disallowed `xmp` element into live HTML or JavaScript. This is a sanitizer bypass in the default `disallowedTagsMode: 'discard'` path and can lead to stored XSS in applications that render sanitized output back to users. Version 2.17.4 patches the issue.
Severity
9.3 (Critical)
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 13:04 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
29 references
Impacted products
28 products
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | sanitize-html |
Affected:
< 2.17.4
|
|
| Red Hat | multicluster engine for Kubernetes 2.10 |
Unaffected:
1784312384 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.10::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.11 |
Unaffected:
1786911977 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.11::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.17 |
Unaffected:
1786668856 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.17::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.6 |
Unaffected:
1783351002 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.6::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.8 |
Unaffected:
1785078604 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.8::el9 |
|
| Red Hat | multicluster engine for Kubernetes 2.9 |
Unaffected:
1783348181 , < *
(rpm)
cpe:/a:redhat:multicluster_engine:2.9::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.11 |
Unaffected:
1783350952 , < *
(rpm)
cpe:/a:redhat:acm:2.11::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.13 |
Unaffected:
1785078581 , < *
(rpm)
cpe:/a:redhat:acm:2.13::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.14 |
Unaffected:
1783451729 , < *
(rpm)
cpe:/a:redhat:acm:2.14::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.15 |
Unaffected:
1784578812 , < *
(rpm)
cpe:/a:redhat:acm:2.15::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.16 |
Unaffected:
1786908361 , < *
(rpm)
cpe:/a:redhat:acm:2.16::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.17 |
Unaffected:
1787335105 , < *
(rpm)
cpe:/a:redhat:acm:2.17::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.19 |
Unaffected:
1784844382 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.19::el9 |
|
| Red Hat | Red Hat Container Native Virtualization 4.20 |
Unaffected:
1784629964 , < *
(rpm)
cpe:/a:redhat:container_native_virtualization:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Dev Spaces 3.29 |
Unaffected:
1784737150 , < *
(rpm)
cpe:/a:redhat:openshift_devspaces:3.29::el9 |
|
| Red Hat | Red Hat Quay 3.1 |
Unaffected:
1783750447 , < *
(rpm)
cpe:/a:redhat:quay:3.10::el8 |
|
| Red Hat | Red Hat Quay 3.12 |
Unaffected:
1783751865 , < *
(rpm)
Unaffected: 1784353904 , < * (rpm) cpe:/a:redhat:quay:3.12::el8 |
|
| Red Hat | Red Hat Quay 3.15 |
Unaffected:
1784351966 , < *
(rpm)
cpe:/a:redhat:quay:3.15::el8 |
|
| Red Hat | Red Hat Quay 3.16 |
Unaffected:
1783955846 , < *
(rpm)
cpe:/a:redhat:quay:3.16::el9 |
|
| Red Hat | Red Hat Quay 3.9 |
Unaffected:
1784125838 , < *
(rpm)
cpe:/a:redhat:quay:3.9::el8 |
|
| Red Hat | Red Hat Satellite 6.18 |
Unaffected:
1785922764 , < *
(rpm)
cpe:/a:redhat:satellite:6.18::el9 |
|
| Red Hat | Red Hat Satellite 6.19 |
Unaffected:
1785956497 , < *
(rpm)
cpe:/a:redhat:satellite:6.19::el9 |
|
| Red Hat | Red Hat Satellite 6.19 |
Unaffected:
1785937325 , < *
(rpm)
cpe:/a:redhat:satellite:6.19::el9 |
|
| Red Hat | Red Hat Hardened Images |
cpe:/a:redhat:hummingbird:1
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Red Hat Satellite 6 |
cpe:/a:redhat:satellite:6
|
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},
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],
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}
],
"title": "CISA ADP Vulnrichment"
},
{
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"cpes": [
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],
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"product": "multicluster engine for Kubernetes 2.10",
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"version": "1784312384",
"versionType": "rpm"
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"cpes": [
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"product": "multicluster engine for Kubernetes 2.11",
"vendor": "Red Hat",
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}
]
},
{
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"cpes": [
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],
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"product": "multicluster engine for Kubernetes 2.17",
"vendor": "Red Hat",
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"cpes": [
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],
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"packageName": "multicluster-engine/console-mce-rhel9",
"product": "multicluster engine for Kubernetes 2.6",
"vendor": "Red Hat",
"versions": [
{
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"versionType": "rpm"
}
]
},
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CVE-2026-42853 (GCVE-0-2026-42853)
Vulnerability from cvelistv5 – Published: 2026-06-12 20:37 – Updated: 2026-06-13 03:34
VLAI
EPSS
VEX
Title
@apostrophecms/cli: Command Injection in apos create via Unsanitized Password Input
Summary
ApostropheCMS is an open-source Node.js content management system. Versions of the @apostrophecms/cli package up to and including 3.6.0 contain a command injection vulnerability in the apos create command. User-supplied input from the password prompt is embedded directly into a shell command without proper sanitization or escaping. This allows execution of arbitrary commands on the host system. As of time of publication, no known patched versions are available.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-13 03:34 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/apostrophecms/apostrophe/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| apostrophecms | @apostrophecms/cli |
Affected:
<= 3.6.0
|
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
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}
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