CVE-2026-1134 itsourcecode Society Management System expenses.php cross site scripting

Medium 5.3 Published 19 Jan 2026 Updated 23 Feb 2026

Remote attackers can inject malicious scripts via the detail argument in expenses.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-2026-1134?

CVE-2026-1134 is a medium-severity cross-site scripting vulnerability in itsourcecode Society Management System, published on 19 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 identified in itsourcecode Society Management System 1.0. This affects an unknown function of the file /admin/expenses.php. The manipulation of the argument detail 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-2026-1134?

It affects 1 product.

Products include Angeljudesuarez Society Management System.

How do I fix CVE-2026-1134?

No fix has been published for CVE-2026-1134 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-2026-1134 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1134 exists.

Sources

Also known as GHSA-r9c3-2gmx-vr4j.