{"schema":"threatline.record/2","record":{"id":"CVE-2026-103439","aliases":[],"summary":"Various rawParams() and escaped() updates to prevent XSS in Wikibase extension","details":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikbase extension allows Cross-Site Scripting (XSS).\n\nThis issue affects MediaWiki Wikbase extension: 1.46, 1.45, and 1.43.","categories":["Applications & CMS"],"product":"MediaWiki Wikbase extension","vendor":"The Wikimedia Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103439","source_modified_at":"2026-09-30T20:01:01.560Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"MediaWiki Wikbase extension","vendor":"The Wikimedia Foundation","versions":[{"status":"affected","version":"1.46"},{"status":"affected","version":"1.45"},{"status":"affected","version":"1.43"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":0.3,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00106,"percentile":0.01068,"score_date":"2026-10-23"},"published_at":"2026-09-30T17:34:10.328Z","modified_at":"2026-09-30T20:01:01.560Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103439","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T20:01:01.560Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103439","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://phabricator.wikimedia.org/T182213"},{"source":"CVE List","url":"https://gerrit.wikimedia.org/r/q/Ie7a35b211565148e0cae437a4a8c41633b81f1b3"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-30T18:12:13.696391Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-30T20:01:01.560Z","content_hash":"5aadf3b900f0afa5730aa78a6b08ddbdfb1620feed6e44e22ece2dcd3f56e989"}}