{"id":"CVE-2026-126567","summary":"Semantic MediaWiki 3.0.0 before 7.4.1 Stored XSS via Special:Ask Debug Output","details":"Semantic MediaWiki 3.0.0 before 7.4.1 contains a stored cross-site scripting vulnerability in Special:Ask with the ElasticStore backend, allowing users with edit rights to inject script through unescaped native_result and score_set output. Attackers can store markup in a Text property or subobject name, then lure victims including administrators to a crafted Special:Ask link to execute script in their session.","aliases":["GHSA-7j96-w9cc-r7rq"],"modified":"2026-11-12T02:48:31.151471193Z","published":"2026-11-11T02:36:04.769Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126567.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-79"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126567.json"},{"type":"ADVISORY","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1"},{"type":"ADVISORY","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-7j96-w9cc-r7rq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126567"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.4.1-stored-xss-via-special-ask-debug-output"},{"type":"FIX","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/fca9922835f4353e67a71cfef4d527d46e7c3ad3"},{"type":"PACKAGE","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki"},{"type":"ARTICLE","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/MediaWiki/Specials/SpecialAsk.php#L512-L521"},{"type":"ARTICLE","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/Query/ScoreSet.php#L128-L140"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/semanticmediawiki/semanticmediawiki","events":[{"introduced":"abdec882fc57dd5b54cab15e8f419056164ee66a"},{"fixed":"bcc3cbf4884f0474232a68d3eff060f93a506379"},{"fixed":"fca9922835f4353e67a71cfef4d527d46e7c3ad3"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"introduced":"3.0.0"},{"fixed":"7.4.1"}]},{"source":"REFERENCES_COMMIT","range":[{"fixed":"fca9922835f4353e67a71cfef4d527d46e7c3ad3"}]},{"original_tag":"7.4.1","range":[{"fixed":"bcc3cbf4884f0474232a68d3eff060f93a506379"}],"source":"REFERENCES_TAG"}]}}],"versions":["7.4.0","7.3.1","7.3.0","7.2.1","7.2.0","7.1.0","7.0.0","6.0.1","6.0.0","5.1.0","5.0.2","5.0.1","5.0.0","4.2.0","4.1.3","4.1.2","4.1.1","4.1.0","4.0.2","4.0.1","4.0.0","3.2.0","3.2.0-rc.1","3.2.0-rc.2","3.1.0","3.1.0-rc.1","3.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126567.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"}]}