Cross Origin issue is resolved by adding header(“Access-Control-Allow-Origin: http://yoursite.com”); to allow the particular origin or we can also allow all the origin by replacing the path to *.
For Cake php header is defined in file public/index.php.
To view the origin is allowed or not then check the request header from network panel.
Alternative: The problem is also resolved by defining middleware to
If in any case ajax request shows method not allowed then check the Request method defined in ajax request and confirm on headers (showing in above image).