1. Upload the `insert-javascript-css` to the `/wp-content/plugins/` directory 1. Activate the plugin through the 'Plugins' menu in WordPress OR 1. Use the plugin installer inside of WordPress == ...

NOTE This plugin is for people with some level of knowledge for HTML, CSS, Javascript or PHP. THE POSSIBILITIES ARE ENDLESS FOR PERSONALIZING AND CUSTOMIZING YOUR WORDPRESS SITE OR MULTISITE: Hide ...

Another malware campaign dubbed Sign1 has been found to have infected over 39,000 WordPress sites in the last six months by using malicious JavaScript injections via the Simple Custom CSS and JS ...

Backdoor plugin hijacks WordPress sites with admin access, stealth reinfection, and JS ad fraud—active since Jan 2025.

WordPress has unveiled a new, totally rewritten admin interface today. And below the surface, you'll see something remarkable: JavaScript instead of PHP.