here's a very popular vulne in PHP versions lower than 7 v.
http://www.asdfasdf.com/modules.php?...uke_authors%20
it will show the hash
then you link to
http://www.asdfasdf.ve/exploit1.php
and submit the information...
IT WILL CREATE AN ADMIN ACOUNT!
don't u be¡lieve it¿?
why don't u try this¿?
http://www.asdfasdfsdf.com/modules.p...uke_authors%20
..
i've already hacked...
admin: Imabig
pass: moron
(http://www.hackedsite)

take fun!! :D