CVE-2026-5255 code-projects Simple Laundry System Parameter delstaffinfo.php cross site scripting

Medium 5.3 Published 1 Apr 2026 Updated 3 Apr 2026

Remote attackers can execute arbitrary scripts via the userid parameter in delstaffinfo.php, potentially compromising user sessions.

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-2026-5255?

CVE-2026-5255 is a medium-severity cross-site scripting vulnerability in code-projects Simple Laundry System, published on 1 Apr 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 Simple Laundry System 1.0. This affects an unknown part of the file /delstaffinfo.php of the component Parameter Handler. The manipulation of the argument userid results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-5255?

It affects 1 product.

Products include Code-Projects Simple Laundry System.

How do I fix CVE-2026-5255?

No fix has been published for CVE-2026-5255 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-2026-5255 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5255 exists.

Sources

Also known as GHSA-g289-xp4v-g26c.