Exploiting reflected XSS vulnerabilities

Thursday, 12 July 2007, 1:34 AM EST

Ever since Adobe patched Flash player to stop attackers spoofing certain headers such as Referer, User-Agent, etc, it has been considered impossible to exploit XSS vulnerabilities where the user input is taken from a request header, e.g. when a website prints out what User-Agent a user's browser is sending, without escaping it. With the exception of the Referer header which we can control enough to exploit XSS attacks through it.

I want to showcase several ways in which we can still exploit these vulnerabilities.

At Alex's Corner.

[ Read more ]




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