CVE-2026-13557: Itsourcecode Online Hotel Management System

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was identified in itsourcecode Online Hotel Management System 1.0. This vulnerability affects unknown code of the file /admin/mod_room/controller.php?action=add of the component POST Request Handler. Such manipulation of the argument Name leads to cross site scripting. The attack may be launched remotely. The exploit is publicly available and might be used.

Affected products

• Itsourcecode Online Hotel Management System: version 1.0 only

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