full-disclosure - Re: [x0n3-h4ck.org] PayPal vulnerable to XSS

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Date: Mon, 6 Nov 2006 12:44:30 -0800
From: Andrew Farmer <andfarm@...il.com>
To: <corrado.liotta@...ce.it> <corrado.liotta@...ce.it>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: [x0n3-h4ck.org] PayPal vulnerable to XSS

On 04 Nov 06, at 11:39, <corrado.liotta@...ce.it>  
<corrado.liotta@...ce.it> wrote:
> this is a request, that I have passed server to the web, complete  
> of the code that would allow the xss:
> GET / HTTP/1.0
> Accept: */*
> User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET  
> CLR 1.1.4322)
> Host: www.paypal.com
> Cookie: cookie_check=yes;feel_cookie=
<snip big session cookies>
> LANG=--><ScRiPt%20%0a%0d>alert(1234567890)%3B</ScRiPt>
<snip more cookies>
> Connection: Close
> Pragma: no-cache

That's not exploitable. Remember that the "XS" in XSS stands for  
"cross-site": you have to be able to trigger the scripting using  
ordinary requests from another site. To generate this cookie, you'd  
need to already have scripting access to the paypal.com domain - in  
which case you don't care anymore.

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