Is CVE-2026-13556 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13556?

CVE-2026-13556 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-13556

Description

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.