Cross-site Request Forgery (CSRF) Affecting concrete5/concrete5 package, versions <9.5.1


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.12% (2nd percentile)

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  • Snyk IDSNYK-PHP-CONCRETE5CONCRETE5-17660461
  • published27 Jun 2026
  • disclosed22 May 2026
  • creditUnknown

Introduced: 22 May 2026

CVE-2026-7882  (opens in a new tab)
CWE-352  (opens in a new tab)

How to fix?

Upgrade concrete5/concrete5 to version 9.5.1 or higher.

Overview

concrete5/concrete5 is a concrete5 open source CMS.

Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) via the DeleteFile controller process. An attacker can trigger unauthorized file deletions by inducing a user with permission to edit conversation messages to visit a malicious site, exploiting the inverted CSRF token check.

CVSS Base Scores

version 4.0
version 3.1