{"cve":"CVE-2019-16993","nvd":{"published":"2019-09-30T12:15:10.860","modified":"2026-06-17T02:23:06.633","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-352"],"references":["https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789","https://lists.debian.org/debian-lts-announce/2019/09/msg00036.html","https://lists.debian.org/debian-lts-announce/2019/10/msg00006.html","https://www.phpbb.com/community/viewtopic.php?t=2352606","https://www.phpbb.com/support/documents.php?mode=changelog&version=3#v317"],"products":["debian:debian_linux","phpbb:phpbb"],"source":"nvd","synced_at":"2026-10-19T20:59:10.855360465+00:00"},"epss":{"cve":"CVE-2019-16993","score":0.00804,"percentile":0.56749,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}