Does XMLHttpRequest support CORS?
The CORS mechanism supports secure cross-origin requests and data transfers between browsers and servers. Modern browsers use CORS in APIs such as XMLHttpRequest or Fetch to mitigate the risks of cross-origin HTTP requests.
How do I fix status CORS error?
To get rid of a CORS error, you can download a browser extension like CORS Unblock. The extension appends Access-Control-Allow-Origin: * to every HTTP response when it is enabled. It can also add custom Access-Control-Allow-Origin and Access-Control-Allow-Methods headers to the responses.
Can you bypass CORS?
You can ask a web-application to make a request for you and send back the response. This will bypass the Access-Control-Allow-Origin but notice that the credentials to the final victim won't be sent as you will be contacting a different domain (the one that will make the request for you).