{"id":"CVE-2026-116882","title":"Semantic MediaWiki 4.2.0 before 7.3.1 Stored XSS via FacetedSearch Exploration Labels","summary":"Semantic MediaWiki from 4.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows authenticated profile or schema editors to inject HTML through FacetedSearch exploration-link labels. Attackers can store markup …","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-79"],"vendor":"SemanticMediaWiki","product":"SemanticMediaWiki","affected":["SemanticMediaWiki >= 4.2.0 < 7.3.1"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-27T13:42:22.762371Z"},"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T14:13:13.223Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116882","references":[{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-3r5m-693w-jm33","label":"GitHub Security Advisory (GHSA-3r5m-693w-jm33)"},{"url":"https://www.vulncheck.com/advisories/semantic-mediawiki-4.2.0-before-7.3.1-stored-xss-via-facetedsearch-exploration-labels","label":"VulnCheck Advisory: Semantic MediaWiki 4.2.0 before 7.3.1 Stored XSS via FacetedSearch Exploration Labels"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T16:11:59.438Z","slug":"CVE-2026-116882","body":"## Overview\n\nSemantic MediaWiki from 4.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows authenticated profile or schema editors to inject HTML through FacetedSearch exploration-link labels. Attackers can store markup in the label, which ExploreListBuilder::buildHTML() passes unescaped to Html::rawElement(), altering the Special:FacetedSearch page and potentially running scripts in viewers' browsers.\n\n## Affected\n\n- `SemanticMediaWiki >= 4.2.0 < 7.3.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}