Security researcher p3lo, has submitted on 18/12/2008 a cross-site-scripting (XSS) vulnerability affecting ads1.msn.com, which at the time of submission ranked 15 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 16/02/2012. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.