CVE-2025-6844: Fabian Simple Forum

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

A vulnerability was found in code-projects Simple Forum 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /signin.php. The manipulation of the argument User leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Fabian Simple Forum: version 1.0 only

Published 2025-06-29. Last modified 2026-06-17.