Common WordPress Security Issues Every Site Owner Must Know

Common WordPress Security Issues Every Site Owner Must Know
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WordPress security plugin
Protect your WordPress website from any threat with Iron Security

Alarming State of WordPress Security Issues

According to Wordfence’s 2024 security report, there were 7,966 new WordPress vulnerabilities, which is a 68% increase compared to the year 2023. Among those vulnerabilities, it was shocking to know that almost 96% of them originated from the plugins.

This surely clarifies that WordPress, being the dominant Content Management System (CMS), has an equal risk of vulnerabilities. Therefore, every WordPress website owner should know this WordPress security issues so you can protect your website from online security threats.

WordPress is one of the most popular CRMs, but the popularity comes at a cost: WordPress websites are the major target for attackers. WordPress security issues are not something you could just ignore; it’s important for both the site owner and the user visiting the website. If your website isn’t secure enough, these security vulnerabilities could result in different data and security breaches.

Among many security issues, the most common security issues are outdated software, brute force attacks, malicious code, Cross-Site Scripting (XSS), SQL injection attacks, and DDoS attacks. However, you can calm down, as almost 95% of these WordPress security issues can easily be avoided by implementing right security measures.

Most Critical WordPress Security Issues (And How to Fix Them)

There are many small actions that result in these security issues for your website. The biggest WordPress security problem is using outdated themes and plugins. Furthermore, you should strictly avoid using weak passwords.

Most Critical WordPress Security Issues (And How to Fix Them)

If you want to stay away from these security threats, you should first understand: critical WordPress security issues and learn how to fix them. Here are five of them listed below.

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Plugin Vulnerabilities: The #1 Risk to Your WordPress Sites

There are tons of WordPress plugins available in the market, but we should keep in mind that all of them aren’t safe. Weak coding on a plugin or the WordPress plugins with security flaws allows hackers to gain unauthorized access inject malicious code, and contribute to data theft.

How It’s Exploited: How It’s Exploited: When we say you should use trusted plugins, we mean it. Online hackers target websites using vulnerable WordPress plugins. They get unauthorized access and exploit your system before you can apply any security patches.

This is a type of zero-day exploit that is used against the developer before they provide any fix for the problem.

Comprehensive Solutions:

  • Don’t install plugins without checking: If you are installing any plugin on your website, always install the plugin directly from the WordPress Store or from the official website.
  • Regular Security Updates Immediately: You should not ignore security patches because they are crucial in preventing all the latest security vulnerabilities.
  • Delete Unused Plugins: If you are not using a plugin, it’s best to
  • Use a Security Plugin: It’s always useful to use a WordPress security plugin. If you wish to use a plugin that is reliable and doesn’t affect your pocket, you can easily use Iron Security by WPIron. This plugin is free and can help you with a web application firewall that can block exploitation attempts in various ways.
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Cross-Site Scripting (XSS): Injecting Malicious Scripts

Cross-Site Scripting (XSS) is one of the well-known WordPress security vulnerabilities. These types of attacks are utilized by hackers to inject malicious scripts into the webpage of your website. These malicious scripts can break your security and take all sensitive user information.

How It’s Exploited: If you are using outdated plugins and themes, you may be at risk of security breaches. XSS vulnerabilities. Internet attackers target the poorly written codes in the input field and execute these malicious scripts.

Complete Protection Strategy:

  • Input Validation & Sanitization: If you want to stay protected, you should use WordPress functions in order to sanitize all user input.
  • Implement Security Headers: If you haven’t used the Content-Security-Policy (CSP) header, it’s the right time to use it because it helps in preventing XSS vulnerabilities at the browser level.
  • Keep Everything Updated: Almost all the plugins and themes we used get updated with security patches to stay protected from XSS vulnerabilities. So, it’s the best option to stay updated with your themes and plugins.

Pro Tip: Configuring CSP headers is complex. A plugin like Iron Security simplifies deploying crucial HTTP Security Headers, including a strong Content-Security-Policy, with just a few clicks, directly mitigating these security problems.

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Outdated Core Software, Themes, and Plugins

Many people overlook the importance of updating their software, themes, and plugins. This may be something that could get unnoticed easily, but always update your core software, themes, and plugins. Hackers always target outdated plugins with a goal to gain unauthorized access to your website. Although good companies provide timely updates, users sometimes ignore updating their software. This ultimately results in an open door from unpatched security issues.

Impact: So, if you are careless about updating outdated components. However, these compenents can trigger unpatched security issues for XSS vulnerabilities, SQL injection attacks, and more, making your site an easy target.

Comprehensive Update Strategy:

Enable Automatic Updates: If you want to secure your website, enabling automatic updates is the first security measure.

Here is a code you can use:

// Enable all automatic updates in wp-config.php
define( 'WP_AUTO_UPDATE_CORE', true );
add_filter( 'auto_update_plugin', '__return_true' );
add_filter( 'auto_update_theme', '__return_true' );

Regular Audit: If there are any themes or plugins you don’t use anymore, you should remove those abandoned plugins and themes.

Test on Staging: It’s a safe approach to use the staging site to verify if the security updates work perfectly.

Pro Tip: Iron Security is a free plugin that helps to enhance your website’s security. enable automatic updates. This feature helps you with WordPress core software and plugins. This ensures that you are up-to-date with the latest security patches.

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Brute Force Attacks on Login Credentials

Brute force attacks are widely used as cyberattacks. This simply involves cybercriminals trying out different username and password combinations to exploit weak login credentials. Hackers can automate this process and try out thousands of combinations.

How it’s Exploited: Cybercriminals usually carry out this attack on wp-login.php. In this process they automate the system to try out thousands of login attempts per second, with the aim of figuring out the right username and password.

Multi-Layer Defense Strategy:

  • Use Strong and Unique Passwords: In this rapidly evolving technology, you should use unique passwords with strong combinations that can be difficult to predict. You can always use a password manager to generate strong passwords and safely store them.
  • Limit Login Attempts: In your WordPress website, you can set a limit for the login attempts to prevent brute force attacks. This is one of the core security measures every website owner should follow.
  • Implement Two-Factor Authentication (2FA): Two-factor authentication lets you send a secret code to your phone number or email. This is an important and critical second layer of security.
  • Change Login URL: You can change the default WordPress login URL “example.com/wp-login/” to something unique and difficult to guess for the attackers.

Pro Tip: Here is a quick tip for you. You can use Iron Security. This free security plugin has features like a custom admin area URL, limit login attempts & lockout user from authentications, limit the number of administrators, session timeout for idle users, change default admin ID, and block user enumeration.

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DDoS Attacks & Security Risks from Third-Party Services

A Distributed Denial of Service (DDoS) attack sends your website an unusual amount of traffic. Attackers use XML-RPC to perform DDoS attacks. XML-RPC (XML Remote Procedure Call) is a protocol that enables two or more computers to communicate over a network using HTTP and XML to send and receive data. If used with the wrong intention, it can be used for exploiting WordPress security.

Solutions:

  • Disable XML-RPC: If you are not utilizing XML-RPC, it’s always recommended to disable it.
  • Use a DDoS Mitigation Service: DDoS Mitigation Service is a useful feature that will protect your website against all the traffic-based attacks.
  • Choose a Secure Host: It is mandatory to use a secure hosting provider. A secure hosting environment is the foundation for making your WordPress website safe for users.

Pro Tip: Iron Security Let’s let the site owner switch the XML-RPC off easily. This helps you to improve your site’s security.

Conclusion

If you are known to the internet world, it’s clear that there are malicious people who always wait for the opportunity to steal data from the internet. However, this guide has gathered the common security risks that all internet users face.

We must understand that keeping your website safe from threats is not a one-time task; it should be a habit. You can implement these security measures and keep your website and customers safe from everyday online threats and minimize the risk of a data breach.

Thus, be a responsible website owner. You shouldn’t wait for a security breach; rather, stop it before it occurs. We hope you enjoyed it and are clear about the common WordPress security issues.

ironsecurity-thumnail

WordPress security plugin
Protect your WordPress website from any threat with Iron Security

Frequently Asked Questions on WordPress Security Vulnerabilities

What are the most common security vulnerabilities affecting WordPress sites?

The most prevalent security vulnerabilities include cross site scripting (XSS), SQL injection attacks, brute force attacks, and vulnerabilities in outdated WordPress plugins. WordPress security vulnerabilities often stem from unpatched security issues in core software and third-party extensions. Malicious actors frequently exploit these WordPress vulnerabilities to gain unauthorized access to WordPress websites.

How secure is WordPress core software?

WordPress core software is regularly maintained with security patches and automatic updates. The WordPress core development team actively addresses new security vulnerabilities and releases security updates promptly. However, WordPress sites remain vulnerable when administrators don’t enable automatic updates or apply latest security patches to their hosting environment.

What security risks do WordPress plugins pose?

WordPress plugins can introduce significant security risks if not properly maintained. Outdated plugins are prime targets for malicious code injection and privilege escalation vulnerability attacks. Security researchers regularly identify vulnerabilities in popular security plugins and WordPress plugins. Site administrators should only install plugins from reputable sources and ensure regular updates.

How can I protect against brute force attacks on my login credentials?

To prevent brute force attacks, implement two factor authentication, use strong passwords, and limit login attempts. A password manager helps generate unique passwords for all user accounts. WordPress accounts should never use weak passwords, as malicious actors use automated scripts to guess login credentials through repeated login attempts.

What is cross site request forgery and how does it affect WordPress?

Cross site request forgery (CSRF) tricks authenticated users into performing unwanted actions on WordPress sites. This vulnerability allows attackers to gain unauthorized access and perform actions using legitimate user credentials without their knowledge. CSRF attacks can modify WordPress core settings, install malicious software, or compromise sensitive user information.

What is two factor authentication and why is it important for WordPress security?

Two factor authentication adds an extra security layer beyond login credentials. When you enable two factor authentication, users must provide a second verification method after entering their password. This security measure significantly reduces the risk of unauthorized access even if login credentials are compromised through data breaches or brute force attacks.

How do I secure WordPress user accounts?

Secure user accounts by enforcing strong passwords, implementing proper user roles, and monitoring login attempts. WordPress accounts should have appropriate permissions based on user needs. Regular audits of user accounts help identify inactive accounts that could become security risks. Site owners should regularly review access permissions and remove unnecessary accounts.

What is cross site scripting and how does it affect WordPress sites?

Cross site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users. These XSS vulnerabilities can steal data, manipulate search engine rankings, or gain control of user sessions. WordPress websites are vulnerable to XSS attacks through poorly coded themes, plugins, or when user input isn’t properly sanitized.

How do I secure a WordPress database?

Secure your WordPress database by changing default table prefixes, using strong passwords for database users, and ensuring proper access controls. Regular database backups and monitoring help prevent data theft and data breaches. Avoid misconfigured WordPress database settings that could expose sensitive information to malicious actors.

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