{"id":"CVE-2020-26121","state":"PUBLISHED","title":"An issue was discovered in the FileImporter extension for MediaWiki before 1.34.4. An attacker can import a file even when the target page is protected against \"page creation\" and ","description":"An issue was discovered in the FileImporter extension for MediaWiki before 1.34.4. An attacker can import a file even when the target page is protected against \"page creation\" and the attacker should not be able to create it. This occurs because of a mishandled distinction between an upload restriction and a create restriction. An attacker cannot leverage this to overwrite anything, but can leverage this to force a wiki to have a page with a disallowed title.","publishedAt":"2020-09-27T20:08:00.000Z","updatedAt":"2024-08-04T15:49:07.127Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://commons.wikimedia.org/w/index.php?oldid=454609892#File:Wiki.png","https://phabricator.wikimedia.org/T262628","https://gerrit.wikimedia.org/r/q/Ib852a96afc4dca10516d0510e69c10f9892b351b","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:08.370Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/26xxx/CVE-2020-26121.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-26121","state":"PUBLISHED","datePublished":"2020-09-27T20:08:00.000Z","dateUpdated":"2024-08-04T15:49:07.127Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2020-09-27T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in the FileImporter extension for MediaWiki before 1.34.4. 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