[Webkit-unassigned] [Bug 165412] top.location.assign is undefined inside non-sandboxed iframe on different origin

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165412

Daniel Bates <dbates at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #1 from Daniel Bates <dbates at webkit.org> ---
(In reply to comment #0)
> top.location.assign is undefined inside an iframe. For example,
>   
> top: https://hello.com
>   iframe: https://whatsapp.com
>      script loaded from: https://whatsapp.com
>         executes -> window.top.location.assign('https://whatever.com') // <- .assign is undefined and throws a security error

This is the correct behavior when accessing/calling location.assign() on a cross-origin Location instance as per <https://html.spec.whatwg.org/multipage/browsers.html#dom-location-assign>.

> [...]
> The expected behavior is that .assign would still work in non-sandboxed
> iframes - similar to replace.

No, this is not correct. See my above remark.

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