Volerion logoVolerion
Volerion logoVolerion

Concrete CMS Cross-Site Request Forgery Vulnerability in Event Duplication Dialog

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 event duplication dialog controller, allowing attackers to manipulate authenticated users into performing unintended actions.

Impact

Exploitation of this vulnerability could lead to unauthorized actions being performed on behalf of the user, potentially causing changes or disruptions within the application.

Remediation

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

Added: May 21, 2026, 10:21 PM
Updated: May 21, 2026, 10:43 PM

Vulnerability Rating

Custom Algorithm
spread
3.4
impact
0.6
exploitability
6.5
remediation
7.7
relevance
9.0
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.