CVE-2025-6394: Fabian Simple Online Hotel Reservation System

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

A vulnerability was found in code-projects Simple Online Hotel Reservation System 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /add_reserve.php. The manipulation of the argument firstname leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well.

Affected products

• Fabian Simple Online Hotel Reservation System: version 1.0 only

Published 2025-06-21. Last modified 2026-06-17.