Re: Geeklog <= v1.6.0sr2 - Remote File Upload

[Andrew Farmer <andfarm () gmail com>]

On 4 Oct 2009, at 08:47, Jaloh Smith wrote:
> The
> easy one is when the forum allows anonymous posts and is configured  
> for
> text posts.  The anonymous user name is never filtered, so you can put
> anything there, including a reference to the javascript uploaded as  
> the
> user profile image..
>
> <script src="../images/userphotos/username.jpg"></script>

That's actually a much worse exploit than the file upload. There's no  
reason the script you load has to be stored locally -- it works just  
as well if you pull it from another domain.

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