CVE-2026-5539 code-projects Simple Laundry System Parameter modifymember.php cross site scripting
Remote attackers can inject malicious scripts via the firstName parameter in modifymember.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-2026-5539?
CVE-2026-5539 is a medium-severity cross-site scripting vulnerability in code-projects Simple Laundry System, published on 5 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 flaw has been found in code-projects Simple Laundry System 1.0. This affects an unknown part of the file /modifymember.php of the component Parameter Handler. This manipulation of the argument firstName causes cross site scripting. The attack can be initiated remotely. The exploit has been published and may be used.
Which versions are affected by CVE-2026-5539?
How do I fix CVE-2026-5539?
No fix has been published for CVE-2026-5539 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-2026-5539 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5539 exists.
Sources
Also known as GHSA-rgqr-jrx3-5xwx.