Cross domain restrictions and subdomains

Question

Is there a cross domain policy restriction for subdomains?

If I have an application on paint.xxxx.com which is manipulating images from image.xxxx

Answer 1

yes the cross domain restriction applies for subdomains.

The solution is to put

document.domain = "example.com" ; // whatever your domain name is

in the top of the js file(s) for both the parent domain and the child domain

Google Document.domain and cross site and there should be a better explanation but I've had the same issue and that is what worked for me.