Amusingly a lot of the concerns about embedding applications in other web applications have finally been mostly covered by the browsers adding the capability to

Amusingly a lot of the concerns about embedding applications in other web applications have finally been mostly covered by the browsers adding the capability to sandbox iframes. We used Caja at Yahoo but it was a nightmare at the time. https://www.html5rocks.com/en/tutorials/security/sandboxed-iframes/ https://www.html5rocks.com/en/tutorials/security/sandboxed-i...