The will-navigate
event that apps use to prevent navigations to unexpected destinations as per our security recommendations can be bypassed when a sub-frame performs a top-frame navigation across sites.
11.0.0-beta.1
10.0.1
9.3.0
8.5.1
Sandbox all your iframes using the sandbox
attribute. This will prevent them creating top-frame navigations and is good practice anyway.
If you have any questions or comments about this advisory: