{"id":"CVE-2019-19709","details":"MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.","aliases":["GHSA-pjv5-vv93-p648"],"modified":"2026-04-16T04:41:27.766078768Z","published":"2019-12-11T02:15:14.810Z","references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4592"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Dec/48"},{"type":"EVIDENCE","url":"https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8"},{"type":"EVIDENCE","url":"https://phabricator.wikimedia.org/T239466"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wikimedia/mediawiki","events":[{"introduced":"0"},{"last_affected":"573f48150317f0153d90542d139621460a7638a5"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.33.1"}]}}],"versions":["1.1.0","1.3.0beta1","1.33.0","1.33.0-rc.0","1.33.1","1.5.0alpha1","1.5.0alpha2","1.5.0beta1","1.5.0beta2","1.5.0beta3","1.5.0beta4","1.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19709.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}