CVE-2025-10343 HTML injection in Perfex CRM

Medium 5.3 Published 29 Sep 2025 Updated 29 Sep 2025

Attackers can inject malicious HTML into expense names, potentially leading to session hijacking or code execution in Perfex CRM.

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-2025-10343?

CVE-2025-10343 is a medium-severity cross-site scripting vulnerability in Perfex CRM, published on 29 Sep 2025. 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

HTML injection vulnerability in Perfex CRM v3.2.1 consisting of a stored HTML injection due to lack of proper validation of user input by sending a POST request in the parameter 'expense_name' at the endpoint '/expenses/expense'.

Weakness: CWE-79

Which versions are affected by CVE-2025-10343?

It affects 1 product.

Products include Perfexcrm Perfex Crm.

How do I fix CVE-2025-10343?

No fix has been published for CVE-2025-10343 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-2025-10343 being exploited?

There is no known exploitation of CVE-2025-10343 in the wild and no public exploit code.

Sources

Also known as GHSA-6m2r-pmx8-6p54.