{"id":"CVE-2019-12474","aliases":["GHSA-2qrr-c2gh-pr35"],"url":"https://o3.security/vulnerability/CVE-2019-12474","summary":"Wikimedia information leak vulnerability","details":"Wikimedia MediaWiki 1.23.0 through 1.32.1 has an information leak. Privileged API responses that include whether a recent change has been patrolled may be cached publicly. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.","published":"2019-07-10T16:15:11.353Z","modified":"2026-07-08T05:55:29.601628293Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"mediawiki/core","fixedVersion":"1.27.6"},{"ecosystem":"Packagist","name":"mediawiki/core","fixedVersion":"1.30.2"},{"ecosystem":"Packagist","name":"mediawiki/core","fixedVersion":"1.31.2"},{"ecosystem":"Packagist","name":"mediawiki/core","fixedVersion":"1.32.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Jun/12"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4460"},{"type":"FIX","url":"https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html"},{"type":"FIX","url":"https://phabricator.wikimedia.org/T212118"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:55:29.601628293Z"}}