CORS withCredentials XHR preflight not posting Cookies in Firefox

Question

I\'m trying to do a CORS XHR post w/ credentials. It works great in Chrome, but not in Firefox. The cookies are not present in the pre-flight request headers, and so I\'m seei

Answer 1

Now Chromium(the 4th of July 2014) doesn't sent cookie with a preflight request. https://code.google.com/p/chromium/issues/detail?id=377541