A Beginner’s Guide to Bug Hunting and Exploiting Common WordPress Vulnerabilities

Cuncis
4 min readMar 8

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Are you interested in learning about bug hunting and exploiting common WordPress vulnerabilities? If so, you’ve come to the right place. In this article, we’ll be discussing some of the most common WordPress vulnerabilities and how to exploit them.

Before we begin, it’s important to note that bug hunting is a legal and ethical activity. The goal of bug hunting is to identify security vulnerabilities in software and report them to the developers so they can be fixed. It is not about stealing information or causing harm to others.

Now, let’s dive into the common WordPress vulnerabilities you should know about.

Cross-site scripting (XSS)

One of the most common vulnerabilities in WordPress is cross-site scripting (XSS). This vulnerability occurs when an attacker injects malicious code into a website, which then executes on a victim’s browser. This can result in stealing sensitive information, such as login credentials.

To exploit this vulnerability, an attacker needs to find a page on the target website that allows them to inject malicious code. They can do this by searching for input fields that don’t have proper validation or escaping.

For more explanation and example visit this website.

SQL injection (SQLi)

Another common vulnerability in WordPress is SQL injection (SQLi). This vulnerability occurs when an attacker injects malicious SQL code into a website’s database, which then executes and allows the attacker to access sensitive data.

To exploit this vulnerability, an attacker needs to find a page on the target website that allows them to inject SQL code. They can do this by searching for input fields that don’t have proper validation or escaping.

For more explanation and example visit this website.

File inclusion

File inclusion vulnerability A file inclusion vulnerability occurs when an attacker is able to include a file from a remote server. This can be used to execute malicious code on the target server or to access sensitive information.

To exploit this vulnerability, an attacker needs to find a page on the target website that allows them to include a remote file. They can do this by searching for input fields that allow for file uploads or that allow for including files.

For more explanation and example visit this website.

Outdated Software, Plugins, and Themes

The importance of ensuring that you regularly update WordPress cannot be overstated. Unfortunately, if you’re one of the WordPress users running an outdated software version, you’re more vulnerable to attacks.

Outdated software, plugins, and themes are responsible for some of the most common WordPress security issues. Theme and plugin developers regularly release updates that include critical security patches and bug fixes.

Staying on top of updates for any extensions installed on your site can help prevent attacks.

We recommend ensuring that all your software, plugins, and themes are updated every time you log in to your site.

You can see whether updates are available directly from your WordPress admin by going to Dashboard → Updates.

https://www.hostinger.com/tutorials/wordpress-security-issues

If you think you’ll have trouble remembering to follow this process manually, you can enable automatic updates instead. It’s also a good idea to keep an eye out for upcoming updates and future releases of WordPress so you can adequately prepare your site.

We also recommend removing any unused themes or plugins. You can do this by navigating to Plugins → Installed Plugins → Inactive.

https://www.hostinger.com/tutorials/wordpress-security-issues

Select all, then click on Delete from the dropdown menu. To delete inactive WordPress themes, you can go to Appearance → Themes. After selecting the theme you want to remove, click on the Delete button in the bottom right-hand corner.

You should also consider testing the new version of a plugin or theme to make sure it’s compatible with your site. A plugin such as BlogVault can make managing your updates easier.

With BlogVault, you can safely update your site without worrying about a new version messing anything up. The plugin enables you to test a plugin on a staging site before using it on your live site.

Conclusion

Bug hunting and exploiting common WordPress vulnerabilities can be a complex process that requires a lot of knowledge and skill. However, by understanding the most common vulnerabilities and how to exploit them, you can help make the internet a safer place. Remember to always practice ethical bug hunting and report any vulnerabilities you find to the developers so they can be fixed.

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