Vulnerability · Published Jun 29, 2026 · Assigned by VulDB

CVE-2026-13556itsourcecode Online Hotel Management System POST Request controller.php edit cross site scripting

Medium 4.3

In plain English

A medium-severity cross-site scripting in Online Hotel Management System from itsourcecode. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.5%top 59.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
itsourcecode	Online Hotel Management System	1.0

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References

VDB-374564 | itsourcecode Online Hotel Management System POST Request controller.php edit cross site scripting vdb-entry, technical-description
VDB-374564 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-13556 | CVE Analysis and Report third-party-advisory
Submit #843586 | itsourcecode Online Hotel Management System v1.0 Storage XSS vulnerability third-party-advisory
https://github.com/Hh-176/CVE/issues/7 exploit, issue-tracking
https://itsourcecode.com/ product