High severity · published Sep 30, 2019
CVE-2019-16993
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
8.8
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
PH
Phpbb · Phpbb
through 3.1.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16993
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16993
Patch
https://github.com/phpbb/phpbb/commit/18abef716ecf42a35416444f3f84f5459d573789
Mailing List
https://lists.debian.org/debian-lts-announce/2019/09/msg00036.html
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00006.html
Vendor Advisory
https://www.phpbb.com/community/viewtopic.php?t=2352606
Vendor Advisory
https://www.phpbb.com/support/documents.php?mode=changelog&version=3#v317
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