CVE-2026-8416
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
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 in the backend file addFavoriteFolder($id) controller. CSRF vulnerabilities allow an attacker to trick a user into performing actions they did not intend to, potentially leading to unauthorized changes or actions within the application.
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 a user to add a favorite folder without their consent, which might lead to minor unauthorized changes in the user's account or settings. However, it does not lead to data disclosure, privilege escalation, or system compromise.