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Top PHP security vulnerabilities
28 Mar 2022

PHP is a scripting language that is used for all-purpose. It is associated with web development, and most companies use it because of its advantages. However, you also need to know about PHP security and vulnerability to keep your application or webpage secure.

It is a server-side scripting language that is also embedded in HTML. It has a lot of use, and you can also maintain your application or website by using it. It is very beneficial in the management of databases and dynamic content. You can also use it for session tracking and building entire e-commerce websites.

The major PHP security vulnerabilities that you should be aware of

There are certain security vulnerabilities when it comes to PHP. You need to be aware of them so that you do not get into any security problems. It is important to understand the requirement and risks of any developmental language if you are using it for your application or website. You can also take measures to prevent such security vulnerabilities for PHP and other languages.

1.      Cross-site scripting

It is one of the major security vulnerabilities if you are using PHP. In cross-site scripting, there will be an actor who can implant a script inside your website. This will be to extract code and login information whenever any user visits your website.

 This method can reveal your login information, and anyone will be able to use it. You need to protect your website from cross-site scripting so that your login information and personal data are not revealed. If you want to avoid cross-site scripting, you will have to sanitize any kind of input that your web application will accept.

2.      SQL injection

This is a method in which is server-side code is fooled. Any kind of unsensitized command can be pushed inside your server-side code.

·         The server-side code will think that the command came from proper authorization.

·         However, this will not be the case. Through SQL injection, your web server store and reveal information on your command.

You can take the example of filling out a form for signing up on any website. When you complete the form, the webserver reads it and stores the information. It can then be revealed at your request. You should use prepared statements instead of normal statements for any kind of queries.

3.      PHP object injection

This is also one of the methods through which command will be inserted into the memory of the webserver without sanitization. If the PHP object injection is successful, it can also give rise to other threats to your website. You need to prevent it, and it is also simple. All you have to do is to make your website accept only sanitized commands.

4.      Authentication bypass 

Authentication bypass can occur due to your own mistake. If you fail to store your specific credentials inside a website, it will not be able to store and keep them in memory. This way, your access to the website will be elevated. If you want to avoid authentication bypass, you need to let experienced developers review your code. They will be able to guide you completely and tell you about the mistakes in your code.

5.      Session hijacking

When you log into your website or application, the server maintains a session for you. You are kept logged in within that session and your user information. When it comes to PHP, details of your session can be copied by XSS or CSRF. It will give access to any hacker to get into your session and steal your information.

You can take measures for it if you do not want hackers to access your website. You need to verify that your session ID data is not stored in any kind of publicly accessible folder. It will be very bad for maintaining your privacy.

Final Remarks:

PHP is one of the languages that are used by many websites and applications. You can also use it for the development of your website. However, you need to be aware of certain vulnerabilities to the security. You also need to take measures to prevent them from stealing your data and information. It is important to keep eye on any activity going on your website.

Protectumus acts as a web application firewall (WAF) and scans the website for known malware. Once the malware is found it will be automatically removed. The software uses Artificial intelligence and Machine learning to learn from previous detections and is able to act alone.

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