When you open the website, you will see something like this
homepage of website
Now, seeing this like of name and password, one thing will directly popup in your mind, what is it?
Yes, that is SQL Injection
When we write ' in name and password, we can see something like this
Could not successfully run query (SELECT * FROM members WHERE username = ''' AND password = '3590cb8af0bbb9e78c343b52b93773c9') from DB: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '3590cb8af0bbb9e78c343b52b93773c9'' at line 1
From this, we get to know what this is MySQL Database, and how to do the injection in this website.