{"id":"CVE-2012-5391","aliases":["DEBIAN-CVE-2012-5391","EUVD-2012-5310","GHSA-3wxc-gqjr-6mh6"],"status":"published","title":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1...","description":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02251,"percentile":0.83028,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2014-06-02T15:00:00Z","modified":"2026-10-23T17:47:22Z","fixes":[{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.19.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.19.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.19.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.19.3-1"}]}]}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/83008","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-November/000122.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Vendor Advisory","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100843.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100845.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098975.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://bugzilla.wikimedia.org/show_bug.cgi?id=40995","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5391"},{"url":"https://github.com/advisories/GHSA-3wxc-gqjr-6mh6"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-5391","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-5391","description":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.","status":"published","published":"2014-06-02T15:00:00Z","modified":"2024-08-06T21:05:47.225Z","updated_at":"2026-11-02T14:34:49.600255Z"}],"euvd":[{"id":"EUVD-2012-5310","description":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.","status":"published","published":"2014-06-02T15:00:00Z","modified":"2024-08-06T21:05:47Z","updated_at":"2026-11-03T01:56:04.919378Z"}],"ghsa":[{"id":"GHSA-3wxc-gqjr-6mh6","title":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1...","description":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.","status":"published","published":"2022-05-17T01:39:28Z","modified":"2023-02-03T05:04:45Z","updated_at":"2026-11-02T14:53:37.258179Z"}],"nvd":[{"id":"CVE-2012-5391","description":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.","status":"published","published":"2014-06-02T15:55:08.217Z","modified":"2026-06-16T23:46:47.46Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:17.748457Z"}],"osv":[{"id":"CVE-2012-5391","description":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.","status":"published","published":"2014-06-02T15:55:08Z","modified":"2026-04-10T03:43:13.963291Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-5391","description":"Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.","status":"published","published":"2014-06-02T15:55:08.217Z","modified":"2026-10-23T17:47:22.458288888Z","updated_at":"2026-11-02T15:45:25.218101Z"}]}}