CVE-2019-16993

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-352

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00036.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00006.htmlThird Party Advisory
https://www.phpbb.com/community/viewtopic.php?t=2352606Vendor Advisory
https://www.phpbb.com/support/documents.php?mode=changelog&version=3#v317Vendor Advisory
https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/09/msg00036.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00006.htmlThird Party Advisory
https://www.phpbb.com/community/viewtopic.php?t=2352606Vendor Advisory
https://www.phpbb.com/support/documents.php?mode=changelog&version=3#v317Vendor Advisory

Timeline

Published: Sep 30, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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