$statement = $db->prepare('SELECT * FROM table WHERE id = ? and name = ? ') īut this is not only the way to be safe, but there is also even one more way to get safe, by using ORM (Object Relationship Mapping) or a query builder for your application. Prepared statements take responsibility for formatting the data and separate the query from the data.Īnd we can say, that, if we use prepared statements for our queries, we can be sure that, we are away from an injection. And it can simply be solved if you use properly formatted SQL syntax or better separate query from the data. How to prevent Injection in PHP applications?įirst of all, there is nothing like Injection, it is just not properly formatted syntax, which is harmful and erroneous. The above-evaluated query would, yep you guessed it, drop the full users’ table! SELECT * FROM users WHERE name='Mark' DROP TABLE users - ' $query = "SELECT * FROM users WHERE name='$name'" See the query below, for example, it’s malicious, especially when you’re allowing users to POST their own name to the PHP script that would ultimately consume it. It is the injection of untrusted content into the system’s interpreter directly, without any filter of the data, which can lead to SQL injection into sites, and on the worse day, could give the attacker full access to your system. This can cause you to get out of business, so this is pretty serious and your organization should take care of this issues and prevent yourself from it. And I have been researching on their site and I have found this similarity in their 2010, 20 report that, SQL Injection or any other type of Injection is number 1 on this list, every time. OWASP (Open Web Application Security Project) is a project that notes down the current threats to a web application.
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