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by pyre
3753 days ago
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The two major issues here: 1. Allowing something that is not HTML (and user-supplied) to be returned by the server with the text/html MIME type, causing the browser to want to parse it as HTML. 2. A link between the CDN (Akamai) domains and a top-level sub-domain on Facebook (i.e. photos.facebook.com was aliased to some Akamai domains). At this point the attacker is able to serve HTML from a Facebook domain. There are things that could be protected against here, but the attacker has a lot of vectors they can go for at this point. |
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