CORS error

Not sure if this is a skuid issue, but I’m sure some of you know a lot more about xhr requests than i do…

I’m trying to use cornerstoneand cornerstoneWADOImageLoaderin skuid.

I’m getting this CORS javascript error:

Why is CORS even an issue when the source of the request is *

The even more interesting thing is that I’ve added the domain ‘’ to the salesforce CORS whitelist:

Any idea what’s going on here?