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Re: Paypal XSS Vulnerability - Resolved
From: "Orbeton, Jon" <jorbeton () paypal com>
Date: Fri, 26 Mar 2010 20:49:07 -0600


The XSS vulnerability reported below was addressed at approximately 17:45 PDT today. 

For information about how to report security issues to PayPal, please refer to the PayPal Responsible Disclosure Policy 
documented here:

Site security issues should be reported to:
  sitesecurity () paypal com

All reports will be handled professionally and quickly. A PGP key is available at the URL above.

Jon Orbeton

PayPal, an eBay Company


From: Wesley Kerfoot <wjak56 () gmail com>
Date: Fri, 26 Mar 2010 15:46:09 -0400

Paypal is affected by an XSS vulnerability where it fails to validate
input for the following url:


One can add arbitrary javascript with no need for any filter evasion.

    https://www.paypal.com/xclick/business=<script> alert("xss"); </script>

As far as I know only the above url is affected. All of the usual XSS
attacks will work with this.


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