CVE-2026-13556: Itsourcecode Online Hotel Management System

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

A vulnerability was determined in itsourcecode Online Hotel Management System 1.0. This affects an unknown part of the file /admin/mod_users/controller.php?action=edit of the component POST Request Handler. This manipulation of the argument Name causes cross site scripting. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

• Itsourcecode Online Hotel Management System: version 1.0 only

Published 2026-06-29. Last modified 2026-07-01.