CVE-2026-85117 (GCVE-0-2026-85117)
Vulnerability from cvelistv5 – Published: 2026-09-09 06:25 – Updated: 2026-09-09 15:23
VLAI
EPSS
VEX
Title
Contact Form 7 Captcha 0.1.7 - 0.1.8 - Unauthenticated Arbitrary Shortcode Execution via Form Field Repopulation
Summary
The Contact Form 7 Captcha WordPress plugin before 0.1.9 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 15:22 UTC
CWE
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/e791e4a6-5ec1-49… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Unknown | Contact Form 7 Captcha |
Affected:
0.1.7 , < 0.1.9
(semver)
|
guessed |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-85117",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-09T15:22:10.980997Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-74",
"description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-09T15:23:41.750Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected",
"product": "Contact Form 7 Captcha",
"vendor": "Unknown",
"versions": [
{
"lessThan": "0.1.9",
"status": "affected",
"version": "0.1.7",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Jakub Herman"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Contact Form 7 Captcha WordPress plugin before 0.1.9 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-09T06:25:07.194Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/e791e4a6-5ec1-49c7-9448-1d83ec4f4905/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Contact Form 7 Captcha 0.1.7 - 0.1.8 - Unauthenticated Arbitrary Shortcode Execution via Form Field Repopulation",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-85117",
"datePublished": "2026-09-09T06:25:07.194Z",
"dateReserved": "2026-09-03T07:55:26.694Z",
"dateUpdated": "2026-09-09T15:23:41.750Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-85117",
"date": "2026-09-20",
"epss": "0.00183",
"percentile": "0.08154"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected",
"product": "Contact Form 7 Captcha",
"vendor": "Unknown",
"versions": [
{
"lessThan": "0.1.9",
"status": "affected",
"version": "0.1.7",
"versionType": "semver"
}
]
}
],
"source": "contact@wpscan.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The Contact Form 7 Captcha WordPress plugin before 0.1.9 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site."
}
],
"id": "CVE-2026-85117",
"lastModified": "2026-09-09T16:17:13.383",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 2.5,
"source": "contact@wpscan.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-85117",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-09T15:22:10.980997Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-09T07:16:58.647",
"references": [
{
"source": "contact@wpscan.com",
"url": "https://wpscan.com/vulnerability/e791e4a6-5ec1-49c7-9448-1d83ec4f4905/"
}
],
"sourceIdentifier": "contact@wpscan.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-74"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-85117",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-09T15:22:10.980997Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-74",
"description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-09T15:21:47.492Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected",
"product": "Contact Form 7 Captcha",
"vendor": "Unknown",
"versions": [
{
"lessThan": "0.1.9",
"status": "affected",
"version": "0.1.7",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Jakub Herman"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Contact Form 7 Captcha WordPress plugin before 0.1.9 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (\u0027Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-09T06:25:07.194Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
"tags": [
"exploit",
"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/e791e4a6-5ec1-49c7-9448-1d83ec4f4905/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Contact Form 7 Captcha 0.1.7 - 0.1.8 - Unauthenticated Arbitrary Shortcode Execution via Form Field Repopulation",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
"cveMetadata": {
"assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"assignerShortName": "WPScan",
"cveId": "CVE-2026-85117",
"datePublished": "2026-09-09T06:25:07.194Z",
"dateReserved": "2026-09-03T07:55:26.694Z",
"dateUpdated": "2026-09-09T15:23:41.750Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…