{"id":"GHSA-5vj8-g3qg-4qh6","aliases":["BIT-mediawiki-2023-29141","CVE-2023-29141"],"title":"X-Forwarded-For header allows brute-forcing autoblocked IP addresses","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"CRITICAL","description":"An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an untrusted X-Forwarded-For header.","severity":"critical","score":9.8,"published":"2023-03-31T21:30:40.000Z","modified":"2025-02-18T23:11:36.635Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"mediawiki/core","sources":[{"name":"OSV · GHSA-5vj8-g3qg-4qh6","url":"https://osv.dev/vulnerability/GHSA-5vj8-g3qg-4qh6"}],"ranges":[{"events":[{"introduced":"1.39.0"},{"fixed":"1.39.3"}],"type":"ECOSYSTEM"}],"versions":["1.39.0","1.39.1","1.39.2"],"fixed":["1.39.3"]},{"ecosystem":"Packagist","name":"mediawiki/core","sources":[{"name":"OSV · GHSA-5vj8-g3qg-4qh6","url":"https://osv.dev/vulnerability/GHSA-5vj8-g3qg-4qh6"}],"ranges":[{"events":[{"introduced":"1.38.0"},{"fixed":"1.38.6"}],"type":"ECOSYSTEM"}],"versions":["1.38.0","1.38.1","1.38.2","1.38.3","1.38.4","1.38.5"],"fixed":["1.38.6"]},{"ecosystem":"Packagist","name":"mediawiki/core","sources":[{"name":"OSV · GHSA-5vj8-g3qg-4qh6","url":"https://osv.dev/vulnerability/GHSA-5vj8-g3qg-4qh6"}],"ranges":[{"events":[{"introduced":"0"},{"fixed":"1.35.10"}],"type":"ECOSYSTEM"}],"versions":["1.20.3","1.20.4","1.20.5","1.20.6","1.20.7","1.20.8","1.21.0","1.21.1","1.21.10","1.21.11","1.21.2","1.21.3","1.21.4","1.21.5","1.21.6","1.21.7","1.21.8","1.21.9","1.22.0rc0","1.24.0","1.24.0-rc.0","1.24.0-rc.1","1.24.0-rc.2","1.24.0-rc.3","1.24.1","1.24.2","1.24.3","1.24.4","1.24.5","1.24.6","1.25.0","1.25.0-rc.0","1.25.1","1.25.2","1.25.3","1.25.4","1.25.5","1.25.6","1.26.0","1.26.1","1.26.2","1.26.3","1.26.4","1.27.0","1.27.0-rc.0","1.27.0-rc.1","1.27.1","1.27.2","1.27.3","1.27.4","1.27.5","1.27.6","1.27.7","1.28.0","1.28.0-rc.0","1.28.0-rc.1","1.28.1","1.28.2","1.28.3","1.29.0","1.29.0-rc.0","1.29.0-rc.1","1.29.1","1.29.2","1.29.3","1.30.0","1.30.0-rc.0","1.30.1","1.30.2","1.31.0","1.31.0-rc.0","1.31.0-rc.1","1.31.0-rc.2","1.31.1","1.31.10","1.31.11","1.31.12","1.31.13","1.31.14","1.31.15","1.31.16","1.31.2","1.31.3","1.31.4","1.31.5","1.31.6","1.31.7","1.31.8","1.31.9","1.32.0","1.32.0-rc.0","1.32.0-rc.1","1.32.0-rc.2","1.32.1","1.32.2","1.32.3","1.32.4","1.32.5","1.32.6","1.33.0","1.33.0-rc.0","1.33.1","1.33.2","1.33.3","1.33.4","1.34.0","1.34.0-rc.0","1.34.0-rc.1","1.34.1","1.34.2","1.34.3","1.34.4","1.35.0","1.35.0-rc.0","1.35.0-rc.1","1.35.0-rc.2","1.35.0-rc.3","1.35.1","1.35.2","1.35.3","1.35.4","1.35.5","1.35.6","1.35.7","1.35.8","1.35.9"],"fixed":["1.35.10"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2023-29141","https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_39/RELEASE-NOTES-1.39","https://github.com/wikimedia/mediawiki","https://lists.debian.org/debian-lts-announce/2023/08/msg00029.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ONWHGOBFD6CQAEGOP5O375XAP2N6RUHT","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGK4NZPIJ5ET2ANRZOUYPCRIB5I64JR7","https://phabricator.wikimedia.org/T285159","https://www.debian.org/security/2023/dsa-5447","https://www.mediawiki.org/wiki/Release_notes/1.35#MediaWiki_1.35.10","https://www.mediawiki.org/wiki/Release_notes/1.38#MediaWiki_1.38.6","https://www.mediawiki.org/wiki/Release_notes/1.39#MediaWiki_1.39.3"],"sources":[{"name":"OSV","id":"GHSA-5vj8-g3qg-4qh6","modified":"2025-02-18T23:11:36.635943Z","url":"https://osv.dev/vulnerability/GHSA-5vj8-g3qg-4qh6"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T21:25:31.856Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}