{"id":"CVE-2019-12467","aliases":["GHSA-6vfg-8ppv-h5hg"],"url":"https://o3.security/vulnerability/CVE-2019-12467","summary":"MediaWiki Incorrect Access Control vulnerability","details":"MediaWiki through 1.32.1 has Incorrect Access Control (issue 1 of 3). A spammer can use Special:ChangeEmail to send out spam with no rate limiting or ability to block them. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.","published":"2019-07-10T15:15:12.307Z","modified":"2026-07-08T05:54:49.648339687Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html"},{"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://phabricator.wikimedia.org/T209794"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:54:49.648339687Z"}}