What is CVE-2026-5637?

CVE-2026-5637 is a high-severity vulnerability in Projectworlds Car Rental System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-06.

How severe is CVE-2026-5637?

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

SQL Injection in Projectworlds Car Rental System

CVE-2026-5637

A security vulnerability has been detected in projectworlds Car Rental System 1.0. This vulnerability affects unknown code of the file /message_admin.php of the component Parameter Handler. Such manipulation of the argument Message leads to sql injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

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

Projectworlds Car Rental 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)

Frequently asked questions

What is CVE-2026-5637?: CVE-2026-5637 is a high-severity vulnerability in Projectworlds Car Rental System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-06.
How severe is CVE-2026-5637?: High severity. CVSS v3 base score is 7.3 out of 10.