CVE-2026-8427
Cross-Site Request Forgery in Concrete CMS
Publication date: 2026-05-21
Last updated on: 2026-05-21
Assigner: ConcreteCMS
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| concrete_cms | concrete_cms | to 9.5.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-1275 | The SameSite attribute for sensitive cookies is not set, or an insecure value is used. |
| 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
How can this vulnerability impact me? :
The impact of this vulnerability is relatively low, as indicated by its CVSS score of 2.3. It could allow an attacker to cause an authenticated user to remove a favorite folder unintentionally, potentially disrupting user experience or organization of files within Concrete CMS.
Can you explain this vulnerability to me?
This vulnerability affects Concrete CMS versions before 9.5.0 and is a Cross Site Request Forgery (CSRF) issue. It occurs in the backend controller function removeFavoriteFolder($id), which allows an attacker to trick an authenticated user into performing unwanted actions without their consent.