CVE-2025-5881: Fabian Chat System

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was found in code-projects Chat System up to 1.0 and classified as critical. This issue affects some unknown processing of the file /user/confirm_password.php. The manipulation of the argument cid leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Fabian Chat System: version 1.0 only

Published 2025-06-09. Last modified 2026-06-17.