CVE-2026-3993 itsourcecode Payroll Management System manage_employee_deductions.php cross site scripting
Remote attackers can execute arbitrary scripts via the ID parameter in the payroll system, 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-2026-3993?
CVE-2026-3993 is a medium-severity cross-site scripting vulnerability in itsourcecode Payroll Management System, published on 12 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 security vulnerability has been detected in itsourcecode Payroll Management System 1.0. This vulnerability affects unknown code of the file /manage_employee_deductions.php. Such manipulation of the argument ID leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
Which versions are affected by CVE-2026-3993?
How do I fix CVE-2026-3993?
No fix has been published for CVE-2026-3993 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-2026-3993 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3993 exists.
Sources
Also known as GHSA-42v3-8vjx-xjp9.