CVE-2019-16993

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory phpbb.com Vendor Advisory phpbb.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.phpbb.com/community/viewtopic.php?t=2352606 vendor advisory
https://www.phpbb.com/support/documents.php?mode=changelog&version=3#v317 vendor advisory
https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789 third party advisory patch
https://lists.debian.org/debian-lts-announce/2019/09/msg00036.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2019/10/msg00006.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2019-16993?
CVE-2019-16993 has been scored as a high severity vulnerability.
How to fix CVE-2019-16993?
To fix CVE-2019-16993, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16993 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-16993 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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