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GHSA-6mxw-2vhf-42g5

Concrete CMS vulnerable to Cross-Site Request Forgery (CSRF)

Source: GitHub Advisory Database (reviewed) Low CVE-2026-2994

Packages

EcosystemPackageAffectedFixed in
Packagist concrete5/concrete5 < 9.4.8 9.4.8

Details

As written in the advisory (Markdown source, shown as plain text).

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 thanks z3rco for reporting

References

External links from the advisory. They lead to third-party sites.