Security researcher WHK, has submitted on 20/08/2008 a Frame Redirect vulnerability affecting listado.mercadolibre.com.mx, which at the time of submission ranked 273 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 13/07/2009. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.