CVE-2026-0586 code-projects Online Product Reservation System prod.php cross site scripting

Medium 5.3 Published 5 Jan 2026 Updated 23 Feb 2026

Remote attackers can execute arbitrary scripts via the cat parameter in prod.php, potentially compromising user sessions or data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-0586?

CVE-2026-0586 is a medium-severity cross-site scripting vulnerability in code-projects Online Product Reservation System, published on 5 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability was detected in code-projects Online Product Reservation System 1.0. The affected element is an unknown function of the file handgunner-administrator/prod.php. Performing a manipulation of the argument cat results in cross site scripting. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-0586?

It affects 1 product.

Products include Fabian Online Product Reservation System.

How do I fix CVE-2026-0586?

No fix has been published for CVE-2026-0586 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-0586 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0586 exists.

Sources

Also known as GHSA-5hgf-7jfc-7xx5.