Steps to Reproduce

I want to show zul page in iframe.

Iframe is located on host1 and zul page is located on host2. Query initiated by iframe returns  header Access-Control-Allow-Origin with value 'host1' in response.

Thank you,

Kirill
 

Current Result

 When zul page is loaded into iframe I've got the error:

Failed to send requests to server.

Permission denied to access property "zAu" on cross-origin object (SecurityError)Failed to send requests to server.

Permission denied to access property "zAu" on cross-origin object (SecurityError) 

https://imgur.com/ODo9ZoM

How to resolve the problem?

Expected Result

Debug Information

Workaround