{"id":"CVE-2026-0669","state":"PUBLISHED","title":"Path Traversal vulnerability in CSS extension on certain web servers","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Wikimedia Foundation MediaWiki - CSS extension allows Path Traversal.This issue affects MediaWiki - CSS extension: 1.44, 1.43, 1.39.","publishedAt":"2026-01-07T17:46:57.285Z","updatedAt":"2026-01-07T19:21:57.287Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"wikimedia-foundation","products":["Wikimedia Foundation MediaWiki - CSS extension"],"affected":[{"vendor":"Wikimedia Foundation","product":"MediaWiki - CSS extension","defaultStatus":"unaffected","versions":[{"version":"1.44","status":"affected"},{"version":"1.43","status":"affected"},{"version":"1.39","status":"affected"}],"repo":"http://gerrit.wikimedia.org/g/mediawiki/extensions/CSS"}],"references":["https://phabricator.wikimedia.org/T401526","https://gerrit.wikimedia.org/r/q/Ia15bf3f2e5a341868568492a736ac3dbf706c22e"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/0xxx/CVE-2026-0669.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0669","state":"PUBLISHED","datePublished":"2026-01-07T17:46:57.285Z","dateUpdated":"2026-01-07T19:21:57.287Z","assignerShortName":"wikimedia-foundation","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateReserved":"2026-01-07T16:35:00.729Z"},"containers":{"cna":{"title":"Path Traversal vulnerability in CSS extension on certain web servers","descriptions":[{"lang":"en","value":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Wikimedia Foundation MediaWiki - CSS extension allows Path Traversal.This issue affects MediaWiki - CSS extension: 1.44, 1.43, 1.39."}],"affected":[{"vendor":"Wikimedia Foundation","product":"MediaWiki - CSS extension","defaultStatus":"unaffected","versions":[{"version":"1.44","status":"affected"},{"version":"1.43","status":"affected"},{"version":"1.39","status":"affected"}],"repo":"http://gerrit.wikimedia.org/g/mediawiki/extensions/CSS"}],"references":[{"url":"https://phabricator.wikimedia.org/T401526"},{"url":"https://gerrit.wikimedia.org/r/q/Ia15bf3f2e5a341868568492a736ac3dbf706c22e"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"wikimedia-foundation","orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateUpdated":"2026-01-07T17:46:57.285Z"},"credits":[{"lang":"en","type":"finder","value":"Radman Siddiki"}],"impacts":[{"capecId":"CAPEC-126","descriptions":[{"lang":"en","value":"CAPEC-126 Path Traversal"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-01-07T19:20:56.695860Z","id":"CVE-2026-0669","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-07T19:21:57.287Z"}}]}}}