CVE-2026-13554

MEDIUM 5.3 PoC AVAILABLE

Published 2026-06-29 · Last modified 2026-06-30

A vulnerability has been found in itsourcecode Online Hotel Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /admin/mod_amenities/controller.php?action=add of the component POST Request Handler. The manipulation of the argument Name leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.4%chance of exploitation in 30 days · 35th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

5.3CVSS 4.0 · MEDIUM

ConfidentialityNone
IntegrityLow
AvailabilityNone

What an attacker needs

✓Access: Reachable over the network — no local access needed
✓Privileges: No account or privileges required
⚠User interaction: Succeeds with passive user activity
✓Complexity: No special conditions — reliably repeatable
✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

PoC https://github.com/Hh-176/CVE/issues/5

Listed for defensive triage and patch prioritization.

Affected

Vendors Itsourcecode

Products Online Hotel Management System

Weakness (CWE)

CWE-79: Cross-site scripting (XSS)
CWE-94: Code injection

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

References

Sources: NVD · CVE.org · EPSS