Security researcher ALPACAHACK.COM, has submitted on 12/02/2012 a cross-site-scripting (XSS) vulnerability affecting www.mcdonalds.com, which at the time of submission ranked 8025 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 13/02/2012. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.