CVE-2026-8409
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 located at concrete/controllers/dialog/logs/delete.
CSRF vulnerabilities allow an attacker to trick a user into performing actions on a web application without their consent, potentially leading to unauthorized operations.
How can this vulnerability impact me? :
Because this is a CSRF vulnerability, an attacker could potentially cause a user to unknowingly delete logs or perform other actions within Concrete CMS without proper authorization.
However, the CVSS score of 2.3 indicates that the impact is relatively low, requiring user interaction and having limited impact on confidentiality, integrity, and availability.