CVE-2026-13557: itsourcecode online hotel management system Cross-site Scripting

Vulnerability summary

CVE-2026-13557 is a medium (CVSS 5.3) Cross-site Scripting vulnerability in itsourcecode online hotel management system. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 29-06-2026
   PublishedVulnerability first disclosed.
2. 29-06-2026
   Last modifiedVulnerability information updated.

Description

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.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
• CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.