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Re: GET and POST Methods Accepted

Subject: Re: GET and POST Methods Accepted
Date: Thu, 13 Oct 2005 10:57:33 +0200
On 12 Oct 2005 at 15:04, Welsh, Ed wrote:

If the site will accept the GET method for
form data and is vulnerable to XSS, the attack surface greatly increases over 
a site that is
vulnerable to XSS but only accepts the POST method.  POST is still 
attackable, but it becomes more
complicated than simply emailing a link.


An attacker can email a link to his/her own website/page, and this specially 
crafted page 
can contain a form (with method=POST and action being the vulnerable URL) 
followed by a 
piece of Javascript that submits this form. So XSS on POST method URLs isn't 
much more 
complicated than XSS on GET URLs.

-Amit

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