{"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":"2026-05-14T12:02:10.232220397Z","published":"2019-09-30T12:15:10.860Z","database_specific":{"unresolved_ranges":[{"cpe":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","extracted_events":[{"last_affected":"8.0"}],"source":"CPE_FIELD"}]},"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"}],"database_specific":{"cpe":"cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"3.1.7"}],"source":"CPE_FIELD"}}],"versions":["release-3.1.7","release-3.1.7-RC1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-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"}]}