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Re: [CSP] Implementer differences: window.open

From: Mike West <mkwst@google.com>
Date: Mon, 3 Nov 2014 20:55:39 +0100
Message-ID: <CAKXHy=fLtxVo5VORdPjsCyEruMLvZCJYkaftKZ-hMQ9=ZsoYCQ@mail.gmail.com>
To: Devdatta Akhawe <dev.akhawe@gmail.com>
Cc: Kevin Hill <khill@microsoft.com>, "public-webappsec@w3.org" <public-webappsec@w3.org>
I'll have to look into Chrome's behavior here. If we inherit the origin
(and I guess we have to in order to enable `document.write`ing into the new
document), we should inherit the CSP as well.


Mike West <mkwst@google.com>
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On Fri, Oct 31, 2014 at 3:28 PM, Devdatta Akhawe <dev.akhawe@gmail.com>

> Since about:blank inherits the origin afaik, I think the Firefox behavior
> is correct.
> On 31 October 2014 07:20, Kevin Hill <khill@microsoft.com> wrote:
>>  When calling window.open and navigating to a blank page the current
>> behavior in Chrome is that no CSP policy is inherited.  While in FF, the
>> behavior is that the CSP from the parent doc is inherited.
>> At TPAC I’d mentioned to Dan/Mike.  I wanted to start this email to
>> highlight the difference and provide opportunity for discussion on what we
>> should do here.  If the policy isn’t inherited I see a potential by pass
>> for the parent docs policy, maybe I am looking at this the wrong way.
>> Dan/Mike thoughts?
Received on Monday, 3 November 2014 19:56:29 UTC

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