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

published 2025-04-16 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-11284

cvss: 9.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

WPFactory Custom CSS, JS & PHP 2.4.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 18 mo ago (2025-04-16)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

WPFactory Custom CSS, JS & PHP

Classification

Weakness

CWE-352 Cross-Site Request Forgery

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/custom-css/vulnerability/wordpress-custom-css-js-php-plugin-2-4-1-csrf-to-rce-vulne
vdb-entry

Sources

CVE List CVE-2025-39601
NVD CVE-2025-39601

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary