CVE-2026-4849 code-projects Simple Laundry System Parameter modify.php cross site scripting

Medium 5.3 Published 26 Mar 2026 Updated 28 Mar 2026

Remote attackers can inject malicious scripts via the firstName parameter in modify.php, potentially compromising user sessions or executing code.

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-2026-4849?

CVE-2026-4849 is a medium-severity cross-site scripting vulnerability in code-projects Simple Laundry System, published on 26 Mar 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 identified in code-projects Simple Laundry System 1.0. This impacts an unknown function of the file /modify.php of the component Parameter Handler. The manipulation of the argument firstName leads to cross site scripting. The attack may be initiated remotely. The exploit is publicly available and might be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2026-4849?

It affects 1 product.

Products include Code-Projects Simple Laundry System.

How do I fix CVE-2026-4849?

No fix has been published for CVE-2026-4849 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-2026-4849 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4849 exists.

Sources

Also known as GHSA-wgxm-cpjf-429r.