In the case of XSS, a simple call to htmlentities before producing the actual output will do. Then again, while the problems look ugly, the fixes are really simple: It’s all about validation and sanitization. Just bear in mind that every request made to a server includes the session cookie, so this vulnerability can be the culprit behind your users’ sessions getting hijacked. This is clearly a very naive exploit-after all, what’s the harm in showing someone a simple “You are hacked!” message? But things can get pretty serious with a little imagination. This request will produce the following HTML as output: Suppose you have an application showing a list of user names, where each user has a link to their details like this:Īnd then, on the user_details.php file, you have this:Ĭlearly, the intention here is to create a simple page that greets the user.īut when baddies get to it, what prevents them from requesting How could anyone achieve that? By abusing your application’s inputs.
#Best sql injection tool 2015 code
The idea behind the exploit is rather simple: An attacker runs malicious SQL code on your database through your app.
The first thing you need to know in order to protect your code from SQL injection is to understand how it could be exploited by an attacker. Additionally, you’ll learn about a few other common vulnerabilities you should be aware of in order to create more secure applications. In this post, you’ll learn what SQL injection is, what the consequences of a successful attack are, how an attacker can take advantage of vulnerable PHP code, what you can do to prevent it, and what tools you can use to detect the parts of your code that might be subject to this kind of threat. But, luckily, protecting your websites from SQL injection and other similar threats is something you can take tangible steps towards. PHP, like many other languages, is not immune to this type of threat, which can be very dangerous indeed. If you’ve been around web development for a while, you’ve almost certainly heard the term “SQL injection” and some terrifying stories about it.
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