CVE-2025-39601 WordPress Custom CSS, JS & PHP plugin <= 2.4.1 - CSRF to RCE vulnerability

Q: What is CVE-2025-39601?

CVE-2025-39601 is a critical vulnerability in WPFactory Custom CSS, JS & PHP, published on 16 Apr 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2025-39601 being exploited?

There is no known exploitation of CVE-2025-39601 in the wild and no public exploit code.

Q: How do I fix CVE-2025-39601?

No fix has been published for CVE-2025-39601 yet. Limit exposure of the affected software until one is available.

Critical 9.6 Published 16 Apr 2025 Updated 12 May 2026

A CSRF vulnerability in the Custom CSS, JS & PHP WordPress plugin allows attackers to execute arbitrary code via remote code inclusion.

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-2025-39601?

CVE-2025-39601 is a critical vulnerability in WPFactory Custom CSS, JS & PHP, published on 16 Apr 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

Cross-Site Request Forgery (CSRF) vulnerability in WPFactory Custom CSS, JS & PHP custom-css allows Remote Code Inclusion.This issue affects Custom CSS, JS & PHP: from n/a through <= 2.4.1.

Weakness: CWE-352

Which versions are affected by CVE-2025-39601?

How do I fix CVE-2025-39601?

No fix has been published for CVE-2025-39601 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-39601 being exploited?

There is no known exploitation of CVE-2025-39601 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-jxcg-xjhx-339v.