Security researcher watt, has submitted on 12/04/2012 a cross-site-scripting (XSS) vulnerability affecting m.spiegel.de, which at the time of submission ranked 154 on the web according to Alexa.
We manually validated and published a mirror of this vulnerability on 20/04/2012. It is currently unfixed.
If you believe that this security issue has been corrected, please send us an e-mail.