CVE-2019-16993
HIGH severity · CVSS 8.8 · Cross-site request forgery (CSRF)
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789 ↗
Additional information
- NVD record
- https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789Patch
- https://www.phpbb.com/community/viewtopic.php?t=2352606Advisory
- https://www.phpbb.com/support/documents.php?mode=changelog&version=3#v317Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00036.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00006.htmlAdvisory