xmlhttprequest

JavaScript XMLHttpRequest API usage and troubleshooting

Web Fix CORS Missing Access-Control-Allow-Origin in XMLHttpRequest

Resolve 'Missing CORS header Access-Control-Allow-Origin' error in VM Essentials plugin's status-update.js. Server-side PHP fixes for Joomla, handle preflights, add headers, and test XMLHttpRequest requests effectively.

#cors
#xmlhttprequest
#php
#joomla
#javascript
#web

1 answer• 1 view

01/18/2026, 11:28 AM