{"schema":"threatline.record/2","record":{"id":"CVE-2026-116883","aliases":["GHSA-2xr9-cr6h-wr6m"],"summary":"Semantic MediaWiki 3.1.0 before 7.3.1 Stored XSS via Schema Descriptions","details":"Semantic MediaWiki from 3.1.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows authenticated schema editors to inject HTML through schema descriptions. Attackers with the smw-schemaedit permission can save HTML that is passed unescaped to Html::rawElement() in HtmlBuilder, altering pages and targeting users who view the schema.","categories":["Unclassified"],"product":"SemanticMediaWiki","vendor":"SemanticMediaWiki","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116883","source_modified_at":"2026-10-27T10:26:46.130Z","fetched_at":"2026-10-27T16:27:21.584480Z","product":"SemanticMediaWiki","vendor":"SemanticMediaWiki","versions":[{"version":"3.1.0","status":"affected","versionType":"semver","lessThan":"7.3.1"},{"version":"7.3.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116883","source_modified_at":"2026-10-27T10:26:46.130Z","fetched_at":"2026-10-27T16:27:21.584480Z","package":{"name":"SemanticMediaWiki","ecosystem":null},"version":"7.3.1","basis":"first unaffected version stated in the CVE record"}],"cvss":4.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-27T10:23:34.396Z","modified_at":"2026-10-27T10:26:46.130Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116883","fetched_at":"2026-10-27T16:27:21.584480Z","source_modified_at":"2026-10-27T10:26:46.130Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-2xr9-cr6h-wr6m","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/semantic-mediawiki-3.1.0-before-7.3.1-stored-xss-via-schema-descriptions","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-27T10:26:46.130Z","content_hash":"69e988bf8e813c3032755d162ae7c31a7c2eedc1675630a2df8a8f1730955388"}}