{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27937", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-25T03:11:36.689Z", "datePublished": "2026-04-21T16:17:06.973Z", "dateUpdated": "2026-04-21T20:37:33.620Z"}, "containers": {"cna": {"title": "October: Reflected XSS via DataTable Form Widget", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/octobercms/october/security/advisories/GHSA-jj38-h5w5-mvpf", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/octobercms/october/security/advisories/GHSA-jj38-h5w5-mvpf"}], "affected": [{"vendor": "octobercms", "product": "october", "versions": [{"version": ">= 4.0.0, < 4.1.16", "status": "affected"}, {"version": "< 3.7.16", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-21T16:17:06.973Z"}, "descriptions": [{"lang": "en", "value": "October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, a reflected Cross-Site Scripting (XSS) vulnerability was identified in the backend DataTable widget where a query parameter was rendered without proper output escaping. This vulnerability is fixed in 3.7.16 and 4.1.16."}], "source": {"advisory": "GHSA-jj38-h5w5-mvpf", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-21T20:27:38.111770Z", "id": "CVE-2026-27937", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-21T20:37:33.620Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, a reflected Cross-Site Scripting (XSS) vulnerability was identified in the backend DataTable widget where a query parameter was rendered without proper output escaping. This vulnerability is fixed in 3.7.16 and 4.1.16."}], "id": "CVE-2026-27937", "lastModified": "2026-04-21T17:16:35.900", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-21T17:16:35.900", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/octobercms/october/security/advisories/GHSA-jj38-h5w5-mvpf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0,4.1.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.7.16)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "october", "source": "cna", "vendor": "octobercms"}, "product": "october", "vendor": "octobercms"}], "created": "2026-04-21T17:30:37.394382+00:00", "updated": "2026-04-21T17:30:37.394432+00:00", "vendors": ["octobercms", "octobercms$PRODUCT$october"]}