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

From: Andrew Farmer (andfarmgmail.com)
Date: Mon Nov 06 2006 - 14:44:30 CST


On 04 Nov 06, at 11:39, <corrado.liottaalice.it>
<corrado.liottaalice.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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