{"id":"CVE-2026-116886","aliases":[],"title":"Semantic MediaWiki before 7.3.1 Stored XSS via External Identifier in Special:Browse","description":"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 that ExternalIdentifierValue renders unescaped on Special:Browse, executing JavaScript in viewers' sessions, including administrators.","severity":"medium","score":5.3,"published":"2026-10-27T10:23:36.490Z","modified":"2026-10-27T14:13:01.153Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-2gfw-3hj2-wfq5","https://www.vulncheck.com/advisories/semantic-mediawiki-before-7.3.1-stored-xss-via-external-identifier-in-special-browse"],"sources":[{"name":"CVE","id":"CVE-2026-116886","modified":"2026-10-27T14:13:01.153Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116886"}],"assessments":[{"source":"CNA","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","score":5.3},{"source":"CNA","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4}]}