{"id":"CVE-2026-116886","title":"Semantic MediaWiki before 7.3.1 Stored XSS via External Identifier in Special:Browse","summary":"Semantic MediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject scripts via External identifier property values. Attackers can annotate markup payloads tha…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-79"],"vendor":"SemanticMediaWiki","product":"SemanticMediaWiki","affected":["SemanticMediaWiki >= 2.5.0 < 7.3.1"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-27T13:46:23.578441Z"},"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T14:13:01.153Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116886","references":[{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-2gfw-3hj2-wfq5","label":"GitHub Security Advisory (GHSA-2gfw-3hj2-wfq5)"},{"url":"https://www.vulncheck.com/advisories/semantic-mediawiki-before-7.3.1-stored-xss-via-external-identifier-in-special-browse","label":"VulnCheck Advisory: Semantic MediaWiki before 7.3.1 Stored XSS via External Identifier in Special:Browse"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T16:11:59.437Z","slug":"CVE-2026-116886","body":"## Overview\n\nSemantic MediaWiki from 2.5.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject scripts via External identifier property values. Attackers can annotate markup payloads that ExternalIdentifierValue renders unescaped on Special:Browse, executing JavaScript in viewers' sessions, including administrators.\n\n## Affected\n\n- `SemanticMediaWiki >= 2.5.0 < 7.3.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}