What is CVE-2026-13557?

CVE-2026-13557 is a medium-severity vulnerability in Itsourcecode Online Hotel Management System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-06-29.

How severe is CVE-2026-13557?

Medium severity. CVSS v3 base score is 4.3 out of 10.

RCE in Itsourcecode Online Hotel Management System

CVE-2026-13557

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (19.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Itsourcecode Online Hotel Management System — versions 1.0

Weakness classification (CWE)

References

cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-13557?: CVE-2026-13557 is a medium-severity vulnerability in Itsourcecode Online Hotel Management System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-06-29.
How severe is CVE-2026-13557?: Medium severity. CVSS v3 base score is 4.3 out of 10.