{"schema":"threatline.record/2","record":{"id":"CVE-2026-100241","aliases":[],"summary":"Private change tags exposed to anonymous users via revision-tags-change events","details":"Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - EventBus Extension allows Excavation.\n\nThis issue affects Mediawiki - EventBus Extension: 1.47.0-alpha.","categories":["Applications & CMS"],"product":"Mediawiki - EventBus Extension","vendor":"Wikimedia Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100241","source_modified_at":"2026-09-30T20:46:06.489Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Mediawiki - EventBus Extension","vendor":"Wikimedia Foundation","versions":[{"status":"affected","version":"1.47.0-alpha"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00314,"percentile":0.23147,"score_date":"2026-10-23"},"published_at":"2026-09-29T16:36:22.492Z","modified_at":"2026-09-30T20:46:06.489Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100241","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T20:46:06.489Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100241","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/T432948"},{"source":"CVE List","url":"https://gerrit.wikimedia.org/r/q/I6d79037edc771fe9a2889c543e12cf7b1296aab8"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-09-30T20:45:45.604285Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-30T20:46:06.489Z","content_hash":"6ca50dc0fb96c03b06c18c99362d4b795377a1e550f844490a2a672a6c269e37"}}