[20260505] - Core - CSRF in user activation endpoint

Project: Joomla!
SubProject: CMS
Impact: Moderate
Severity: Moderate
Probability: Moderate
Versions: 6.0.0-6.1.0
Exploit type: CSRF
Reported Date: 2026-03-28
Fixed Date: 2026-05-26
CVE Number: CVE-2026-35220

Description

Lack of CSRF token validation lead to a CSRF attack vector in the admin activation endpoint of com_users.

Affected Installs

Joomla! CMS versions 6.0.0-6.1.0

Solution

Upgrade to version 6.1.1

Contact

The JSST at the Joomla! Security Centre.

Reported By: Sun HuangnSec