{"id":"CVE-2019-16993","aliases":["GHSA-vj3x-vfm4-hvxc"],"url":"https://o3.security/vulnerability/CVE-2019-16993","summary":"phpBB Cross-Site Request Forgery (CSRF)","details":"In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session id of a reauthenticated administrator prior to targeting them.","published":"2019-09-30T12:15:10.860Z","modified":"2026-07-08T05:54:56.809207178Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"phpbb/phpbb","fixedVersion":"3.1.7-PL1"}],"fix":{"url":"https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789","label":"phpbb/phpbb@18abef7"},"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00036.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/10/msg00006.html"},{"type":"ADVISORY","url":"https://www.phpbb.com/community/viewtopic.php?t=2352606"},{"type":"ADVISORY","url":"https://www.phpbb.com/support/documents.php?mode=changelog&version=3#v317"},{"type":"FIX","url":"https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:54:56.809207178Z"}}