{"id":"CVE-2019-16993","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.","aliases":["GHSA-vj3x-vfm4-hvxc"],"modified":"2026-03-14T09:32:12.461602Z","published":"2019-09-30T12:15:10.860Z","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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/phpbb/phpbb","events":[{"introduced":"0"},{"last_affected":"e3acdfed925a7d924de038e1101a960c7d9391d3"},{"fixed":"18abef716ecf42a35416444f3f84f5459d573789"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.1.7"}]}}],"versions":["release-3.0-B1","release-3.0-B2","release-3.0-B3","release-3.0-B4","release-3.0-B5","release-3.0-RC1","release-3.0-RC2","release-3.0-RC3","release-3.0-RC4","release-3.0-RC5","release-3.0-RC6","release-3.0-RC7","release-3.0-RC8","release-3.0.0","release-3.0.1","release-3.0.1-RC1","release-3.0.10","release-3.0.10-RC1","release-3.0.10-RC2","release-3.0.10-RC3","release-3.0.11-RC1","release-3.0.11-RC2","release-3.0.12-RC1","release-3.0.12-RC2","release-3.0.12-RC3","release-3.0.13-PL1","release-3.0.13-RC1","release-3.0.14","release-3.0.14-RC1","release-3.0.2","release-3.0.2-RC1","release-3.0.2-RC2","release-3.0.3","release-3.0.3-RC1","release-3.0.4","release-3.0.4-RC1","release-3.0.5","release-3.0.5-RC1","release-3.0.6","release-3.0.6-RC1","release-3.0.6-RC2","release-3.0.6-RC3","release-3.0.6-RC4","release-3.0.7","release-3.0.7-PL1","release-3.0.7-RC1","release-3.0.7-RC2","release-3.0.8","release-3.0.8-RC1","release-3.0.9","release-3.0.9-RC1","release-3.0.9-RC2","release-3.0.9-RC3","release-3.0.9-RC4","release-3.1.0","release-3.1.0-RC1","release-3.1.0-RC2","release-3.1.0-RC3","release-3.1.0-RC4","release-3.1.0-RC5","release-3.1.0-RC6","release-3.1.0-a1","release-3.1.0-a2","release-3.1.0-a3","release-3.1.0-b1","release-3.1.0-b2","release-3.1.0-b3","release-3.1.0-b4","release-3.1.1","release-3.1.2","release-3.1.2-RC1","release-3.1.3","release-3.1.3-RC1","release-3.1.3-RC2","release-3.1.4","release-3.1.4-RC1","release-3.1.4-RC2"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-16993.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}