Exploit help?

[Sab]

Does anyone know how to find and fix exploits?

 

[TyleRJc]

Would help if we knew what kind:
In-game?
On the site?
If it's on the site, What is it? Can you give us the code to fix it?

 

[Sab]

Would help if we knew what kind:
In-game?
On the site?
If it's on the site, What is it? Can you give us the code to fix it?

My friend said he did a SQL injection and it gave all the users passwords, he showed me mines aswell so I know he wasn't lieing. 
Can someone check if theirs any exploits in:

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and

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