The dangers of SQLi

In this section of the chapter, we will focus on why SQL injections are so important and so dangerous. The reason is because they are found everywhere; a lot of big websites have these kind of exploits, such as Yahoo and Google. They're very hard to protect against and it's very easy to make a mistake and make these exploits available for misuse. The other reason that they're very dangerous is because they give the hacker access to the database. In many scenarios, if we find an SQLi, we don't need to upload a PHP shell or get a reverse connection. There is really no need to upload anything and increase the danger of being caught because, if we have access to the database, we pretty much have everything we need. We have usernames and passwords, and we can log in with a normal username and password as a normal user; if we are looking for sensitive...