What is CVE-2026-5551?

CVE-2026-5551 is a high-severity vulnerability in Itsourcecode Free Hotel Reservation System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-05.

How severe is CVE-2026-5551?

High severity. CVSS v3 base score is 7.3 out of 10.

SQL Injection in Itsourcecode Free Hotel Reservation System

CVE-2026-5551

A security flaw has been discovered in itsourcecode Free Hotel Reservation System 1.0. This vulnerability affects unknown code of the file /hotel/admin/login.php of the component Parameter Handler. The manipulation of the argument email results in sql injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

EPSS: 0.003 (17.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Itsourcecode Free Hotel Reservation System — versions 1.0

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-5551?: CVE-2026-5551 is a high-severity vulnerability in Itsourcecode Free Hotel Reservation System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-05.
How severe is CVE-2026-5551?: High severity. CVSS v3 base score is 7.3 out of 10.