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Concrete CMS Cross-Site Request Forgery Vulnerability in File RescanMultiple Controller

Vulnerability

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in Concrete CMS versions 9 prior to 9.5.0. The issue resides in the file rescanMultiple() method of the backend file controller. This vulnerability allows an attacker to trick an authenticated user into performing actions without their consent.

Impact

Exploitation of this vulnerability could lead to unauthorized actions being performed on behalf of the user, potentially causing changes to the application's state or data.

Remediation

Users can upgrade to Concrete CMS version 9.5.0 or later to address this vulnerability.

Added: May 21, 2026, 10:20 PM
Updated: May 21, 2026, 10:58 PM

Vulnerability Rating

Custom Algorithm
spread
3.4
impact
0.6
exploitability
6.4
remediation
7.7
relevance
8.9
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.