Add Custom CSS and JS

Add Custom CSS and JS has one disclosed vulnerability in the WordSec catalog, all reported in 2024; it remains unpatched as of September 2026. Their average CVSS score is 6.1, and the most serious one scores 6.1 out of 10.

The most common weakness is Cross-Site Request Forgery (CSRF), behind 1 of the records (100%).

The one issue recorded for Add Custom CSS and JS has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2024.

All of these findings were reported by Bob Matyas. Add Custom CSS and JS is installed on roughly 10 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.1.12.

Strategic Overview

Avg CVSSMedium

6.1/ 10

Patch Coverage0%

Open

Fixed

Get automatic notifications for all Add Custom CSS and JS vulnerabilities before they are exploited.

Most severe open issueCVSS 6.1CVE-2024-3903

Add Custom CSS and JS <= 1.20 - Cross-Site Request Forgery to Stored Cross-Site Scripting

Read the full analysis

Vulnerability Records

1 records


2024-04-18 00:00	Add Custom CSS and JS <= 1.20 - Cross-Site Request Forgery to Stored Cross-Site Scripting Add Custom CSS and JS <= 1.20	`CVE-2024-3903`	6.1 Medium	Bob Matyas	No

Showing 1–1 of 1 reports

Latestv1.2.0

Add Custom CSS and JS

Author

mainsufian

5.0(2)

100/100

Last Updated

2023-02-21 (4y ago)

Active Installs

10+

Downloads

3,492

Requires WP

3.0.1+

Requires PHP

Tested up to

WP 6.1.12

Created

2016-03-06 (11y ago)

‘Add Custom CSS and JS’ plugin is for provide Custom JS, jQuery and CSS code for your admin panel of wordpress or for your frontend website and also you can add different css and JS code for your frontend website only when user is login. It is very useful plugin for adding custom CSS and JS code in your website so this plugin keep your custom css and JS code even when you change the theme or update your website.

View on WordPress.org