{"schemaVersion":3,"id":"MGASA-2021-0568","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated mediawiki packages fix security vulnerabilities\n\nUpdated mediawiki packages fix security vulnerabilities:\n\n== Security fixes ==\n* (T292763. CVE-2021-44854) REST API incorrectly publicly caches\n  autocomplete search results from private wikis.\n* (T271037, CVE-2021-44856) Title blocked in AbuseFilter can be created via\n  Special:ChangeContentModel.\n* (T297322, CVE-2021-44857) Unauthorized users can use action=mcrundo to\n  replace the content of arbitrary pages.\n* (T297322, CVE-2021-44858) Unauthorized users can view contents of private\n   wikis using various actions.\n* (T297574, CVE-2021-45038) Unauthorized users can access private wiki\n  contents using rollback action\n\n=== Extension security fixes ===\n* (T293589, CVE-2021-44855) Blind Stored XSS in VisualEditor media dialog.\n* (T294686) Special:Nuke doesn't actually delete pages.","dates":{"published":"2021-12-19T12:26:08.000Z","modified":"2026-04-16T04:41:07.079Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"mageia","product":"mediawiki","name":"mediawiki","label":"mediawiki","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/mediawiki","purlType":"rpm","versions":[{"text":"< 1.35.5-1.mga8","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.35.5-1.mga8","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2021-0568.html","label":"advisories.mageia.org/MGASA-2021-0568.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=29772","label":"bugs.mageia.org/show_bug.cgi?id=29772","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/thread/QEN3EK4JXAVJMJ5GF3GYOAKNJPEKFQYA/","label":"lists.wikimedia.org/hyperkitty/…","hostname":"lists.wikimedia.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2021-44854","CVE-2021-44855","CVE-2021-44856","CVE-2021-44857","CVE-2021-44858","CVE-2021-45038"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-12-19T12:26:08.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T04:41:07.079Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T13:44:03.294Z","stale":false,"partial":false}}