{"action":"Upgrade mediawiki to 1:1.19.3-1 or later.","affected":[{"fixed":"1:1.19.3-1","introduced":"0"}],"component":"mediawiki","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:1.19.3-1"],"id":"tcs_01M5NA5Q3WVM94JQBH8TSTDS0N","modified_at":"2026-10-23T17:47:22.458288888Z","published_at":"2014-06-02T15:55:08.217Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2012-5391","https://security-tracker.debian.org/tracker/CVE-2012-5391"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2012-5391#Debian:13/mediawiki","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2012-5391"}],"summary":"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."}