CVE-2026-2994
MEDIUMConcrete CMS < 9.4.8 - Cross-Site Request Forgery via Anti-Spam Allowlist Group Configuration
Title source: llmDescription
Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group_id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z3rco for reporting
References (2)
Core 2
Core References
Various Sources
https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
Issue Tracking
https://github.com/concretecms/concretecms/pull/12826
Scores
CVSS v3
6.8
EPSS
0.0021
EPSS Percentile
10.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-352
Status
published
Products (2)
concrete5/concrete5
0 - 9.4.8Packagist
concretecms/concrete_cms
< 9.4.8
Published
Mar 04, 2026
Tracked Since
Mar 04, 2026