[whatwg] Prevent a document from being manipulated by a "top" document

[Dennis Joachimsthaler]

Am 02.08.2011, 13:00 Uhr, schrieb Anne van Kesteren <annevk at opera.com>:

> On Tue, 02 Aug 2011 12:48:06 +0200, Dennis Joachimsthaler  
> <dennis at efjot.de> wrote:
>> Say, there's a site which uses an autologin facility to automatically
>> log their users in when the site is opened.
>>
>> Malicious guy #1 prepares a site that loads the same site in an iframe.
>
> You cannot get to that information cross-origin.
>
>

It is not possible anyway? That kind of renders my worries baseless.

But this use case still holds: Userscripts and addons could still read
out everything from the sites.

It might be way too much a niche case though.