CVE-2026-24050 (GCVE-0-2026-24050)
Vulnerability from cvelistv5 – Published: 2026-02-06 18:20 – Updated: 2026-02-09 15:28
VLAI?
Title
Zulip affected by Stored XSS in user profile modal
Summary
Zulip is an open-source team collaboration tool. From 5.0 to before 11.5, some administrative actions on the user profile were susceptible to stored XSS in group names or channel names. Exploiting these vulnerabilities required the user explicitly interacting with the problematic object. This vulnerability is fixed in 11.5.
Severity ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-24050",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-09T15:19:33.800742Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-09T15:28:55.237Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "zulip",
"vendor": "zulip",
"versions": [
{
"status": "affected",
"version": "\u003e= 5.0, \u003c 11.5"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Zulip is an open-source team collaboration tool. From 5.0 to before 11.5, some administrative actions on the user profile were susceptible to stored XSS in group names or channel names. Exploiting these vulnerabilities required the user explicitly interacting with the problematic object. This vulnerability is fixed in 11.5."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 1.1,
"baseSeverity": "LOW",
"privilegesRequired": "HIGH",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "PASSIVE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
}
}
],
"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": "2026-02-06T18:20:33.160Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/zulip/zulip/security/advisories/GHSA-56qv-8823-6fq9",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/zulip/zulip/security/advisories/GHSA-56qv-8823-6fq9"
},
{
"name": "https://github.com/zulip/zulip/commit/e6093d9e4788f4d82236d856c5ed7b16767886a7",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/zulip/zulip/commit/e6093d9e4788f4d82236d856c5ed7b16767886a7"
},
{
"name": "https://github.com/zulip/zulip/releases/tag/11.5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/zulip/zulip/releases/tag/11.5"
},
{
"name": "https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-11-5",
"tags": [
"x_refsource_MISC"
],
"url": "https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-11-5"
}
],
"source": {
"advisory": "GHSA-56qv-8823-6fq9",
"discovery": "UNKNOWN"
},
"title": "Zulip affected by Stored XSS in user profile modal"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-24050",
"datePublished": "2026-02-06T18:20:33.160Z",
"dateReserved": "2026-01-20T22:30:11.778Z",
"dateUpdated": "2026-02-09T15:28:55.237Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-24050\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-02-06T19:16:08.640\",\"lastModified\":\"2026-02-06T21:57:22.450\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Zulip is an open-source team collaboration tool. From 5.0 to before 11.5, some administrative actions on the user profile were susceptible to stored XSS in group names or channel names. Exploiting these vulnerabilities required the user explicitly interacting with the problematic object. This vulnerability is fixed in 11.5.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":1.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"PASSIVE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"LOW\",\"subIntegrityImpact\":\"LOW\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"UNREPORTED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://github.com/zulip/zulip/commit/e6093d9e4788f4d82236d856c5ed7b16767886a7\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/zulip/zulip/releases/tag/11.5\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/zulip/zulip/security/advisories/GHSA-56qv-8823-6fq9\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-11-5\",\"source\":\"security-advisories@github.com\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-24050\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-09T15:19:33.800742Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-09T15:19:34.625Z\"}}], \"cna\": {\"title\": \"Zulip affected by Stored XSS in user profile modal\", \"source\": {\"advisory\": \"GHSA-56qv-8823-6fq9\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 1.1, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U\", \"userInteraction\": \"PASSIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"HIGH\", \"subIntegrityImpact\": \"LOW\", \"vulnIntegrityImpact\": \"NONE\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"LOW\", \"vulnConfidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"zulip\", \"product\": \"zulip\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003e= 5.0, \u003c 11.5\"}]}], \"references\": [{\"url\": \"https://github.com/zulip/zulip/security/advisories/GHSA-56qv-8823-6fq9\", \"name\": \"https://github.com/zulip/zulip/security/advisories/GHSA-56qv-8823-6fq9\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/zulip/zulip/commit/e6093d9e4788f4d82236d856c5ed7b16767886a7\", \"name\": \"https://github.com/zulip/zulip/commit/e6093d9e4788f4d82236d856c5ed7b16767886a7\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/zulip/zulip/releases/tag/11.5\", \"name\": \"https://github.com/zulip/zulip/releases/tag/11.5\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-11-5\", \"name\": \"https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-11-5\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Zulip is an open-source team collaboration tool. From 5.0 to before 11.5, some administrative actions on the user profile were susceptible to stored XSS in group names or channel names. Exploiting these vulnerabilities required the user explicitly interacting with the problematic object. This vulnerability is fixed in 11.5.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-02-06T18:20:33.160Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-24050\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-09T15:28:55.237Z\", \"dateReserved\": \"2026-01-20T22:30:11.778Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-02-06T18:20:33.160Z\", \"assignerShortName\": \"GitHub_M\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…