{"id":"CVE-2019-15150","details":"In the OAuth2 Client extension before 0.4 for MediaWiki, a CSRF vulnerability exists due to the OAuth2 state parameter not being checked in the callback function.","modified":"2026-03-14T14:38:32.222500Z","published":"2019-08-19T04:15:13.517Z","references":[{"type":"ADVISORY","url":"https://github.com/Schine/MW-OAuth2Client/releases/tag/v0.4"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Aug/32"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/154140/MediaWiki-OAuth2-Client-0.3-Cross-Site-Request-Forgery.html"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2019/Aug/25"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2019/08/19/1"},{"type":"FIX","url":"https://github.com/Schine/MW-OAuth2Client/commit/6a4fe4500ddd72ad4e826d9d63b2d69512bd10d1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/schine/mw-oauth2client","events":[{"introduced":"0"},{"fixed":"6a4fe4500ddd72ad4e826d9d63b2d69512bd10d1"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"0.4"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15150.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}