CVE-2026-2994
CSRF Vulnerability in Concrete CMS Anti-Spam Allowlist Configuration
Publication date: 2026-03-04
Last updated on: 2026-03-04
Assigner: ConcreteCMS
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| concretecms | concrete_cms | to 9.4.8 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-352 | The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability affects Concrete CMS versions below 9.4.8 and involves a Cross-Site Request Forgery (CSRF) issue. A Rogue Administrator can exploit the Anti-Spam Allowlist Group Configuration by manipulating the group_id parameter. The problem arises because changes are saved before the system verifies the CSRF token, allowing unauthorized actions to bypass security checks.
How can this vulnerability impact me? :
The vulnerability can lead to a security bypass where unauthorized changes are made to the Anti-Spam Allowlist Group Configuration without proper verification. This could allow a malicious administrator to alter settings or configurations that should be protected, potentially undermining the security of the CMS environment.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know