Cross Site Request Forgery Vulnerability in Concrete CMS by Concrete Solutions
CVE-2026-8413

2.3LOW

Key Information:

Vendor

Concrete Cms

Status
Concrete Cms
Vendor
CVE Published:
21 May 2026

What is CVE-2026-8413?

Concrete CMS versions prior to 9.5.0 are susceptible to Cross Site Request Forgery (CSRF) attacks through the concrete/controllers/dialog/page/bulk/design endpoint. An attacker could exploit this vulnerability to perform actions on behalf of an authenticated user without their consent. Proper input validation and security measures are essential to mitigate such risks.

Affected Version(s)

Concrete CMS 9.0 <= 9.5.0

References

https://documentation.concretecms.org/9-x/developers/intr...
release-notes

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yonatan Drori (Tenzai)
.