{"action":"Upgrade mediawiki to 1:1.25.5-1 or later.","affected":[{"fixed":"1:1.25.5-1","introduced":"0"}],"component":"mediawiki","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:1.25.5-1"],"id":"tcs_01M5NBB6YHFA0M5VGP6YRC17VC","modified_at":"2026-09-09T07:01:56.087428351Z","published_at":"2017-03-23T20:59:00.483Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2015-8623","https://security-tracker.debian.org/tracker/CVE-2015-8623"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2015-8623#Debian:14/mediawiki","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2015-8623"}],"summary":"The User::matchEditToken function in includes/User.php in MediaWiki before 1.23.12 and 1.24.x before 1.24.5 does not perform token comparison in constant time before returning, which allows remote att"}