CVE-2025-40729 Reflected Cross-Site Scripting (XSS) vulnerability in Customer Support System

Medium 4.8 Published 16 Jun 2025 Updated 16 Jun 2025

Remote attackers can execute arbitrary code via reflected XSS in the page parameter of the Customer Support System web application.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-40729?

CVE-2025-40729 is a medium-severity cross-site scripting vulnerability in Customer Support System, published on 16 Jun 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Reflected Cross-Site Scripting (XSS) in /customer_support/index.php in Customer Support System v1.0, which allows remote attackers to execute arbitrary code via the page parameter.

Weakness: CWE-79

Which versions are affected by CVE-2025-40729?

It affects 1 product.

Products include Oretnom23 Customer Support System.

How do I fix CVE-2025-40729?

No fix has been published for CVE-2025-40729 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-2025-40729 being exploited?

There is no known exploitation of CVE-2025-40729 in the wild and no public exploit code.

Sources

Also known as GHSA-c396-cvpq-g9cm.