Email Log Vulnerability – Unauthenticated Hook Injection – CVE-2024-0867 | WordPress Plugin Vulnerability Report

Q: What is the Email Log plugin vulnerability, and how does it affect WordPress websites?

What is the Email Log plugin vulnerability, and how does it affect WordPress websites? The Email Log plugin vulnerability is an Unauthenticated Hook Injection issue that affects versions up to and including 2.4.8. This vulnerability allows attackers to execute malicious code on WordPress websites without proper authentication, potentially leading to unauthorized access, data theft, or complete site compromise. The vulnerability is located in the check_nonce function and requires specific conditions to be exploitable, such as the presence of a nonce check, the attacker's knowledge of the nonce, and the absence of a capability check. Despite these conditions, the vulnerability poses a significant risk to websites running the affected versions of the Email Log plugin.

Q: How can I check if my WordPress site is using the Email Log plugin, and how do I know if it's vulnerable?

How can I check if my WordPress site is using the Email Log plugin, and how do I know if it's vulnerable? To check if your WordPress site is using the Email Log plugin, log in to your WordPress dashboard and navigate to the "Plugins" section. Look for the "Email Log" plugin in the list of installed plugins. If it's present, check the version number displayed below the plugin name. If the version number is 2.4.8 or lower, your site is vulnerable to the Unauthenticated Hook Injection vulnerability. It's crucial to update the plugin to version 2.4.9 or later to ensure your site's security.

Q: What steps should I take to protect my WordPress site from the Email Log plugin vulnerability?

What steps should I take to protect my WordPress site from the Email Log plugin vulnerability? To protect your WordPress site from the Email Log plugin vulnerability, follow these steps: Update the Email Log plugin to version 2.4.9 or later as soon as possible. You can do this by logging into your WordPress dashboard, navigating to the "Plugins" section, and clicking on the "Update Now" link below the Email Log plugin name. After updating the plugin, review your WordPress site for any unusual behavior or unauthorized changes that may indicate a compromise. If you notice anything suspicious, consider hiring a professional WordPress support service or a trusted web developer to assist you in securing your site. As a precautionary measure, consider using alternate plugins that offer similar functionality to Email Log, especially if you are not actively using the plugin's features.

Q: What are the risks associated with not updating the Email Log plugin to the patched version?

What are the risks associated with not updating the Email Log plugin to the patched version? Not updating the Email Log plugin to the patched version (2.4.9 or later) leaves your WordPress site vulnerable to the Unauthenticated Hook Injection vulnerability. This vulnerability can be exploited by attackers to execute malicious code on your site, potentially leading to several risks: Unauthorized access: Attackers may gain unauthorized access to your WordPress site, allowing them to view, modify, or delete sensitive data, such as user information, configuration files, or database contents. Data theft: Hackers may steal sensitive information from your website, including user data, financial information, or proprietary business data, which can lead to identity theft, financial fraud, or reputational damage. Site compromise: In severe cases, attackers may completely compromise your WordPress site, allowing them to deface your website, distribute malware, or use your site for phishing campaigns or other malicious activities.

Q: How can I stay informed about future vulnerabilities in WordPress plugins?

How can I stay informed about future vulnerabilities in WordPress plugins? To stay informed about future vulnerabilities in WordPress plugins, consider the following: Regularly visit reputable WordPress security blogs and websites, such as the WordPress.org security page, WPScan Vulnerability Database, or Wordfence blog, which provide timely information and updates on the latest WordPress vulnerabilities and security issues. Subscribe to email newsletters or RSS feeds from trusted WordPress security providers to receive notifications about new vulnerabilities, security patches, and best practices for maintaining a secure WordPress site. Keep an eye on the changelog and update notices for the plugins you use on your WordPress site. Many plugin developers promptly release security patches and inform their users about potential vulnerabilities through these channels.

Q: As a small business owner, how can I ensure my WordPress site remains secure without dedicating a lot of time to stay on top of security issues?

As a small business owner, how can I ensure my WordPress site remains secure without dedicating a lot of time to stay on top of security issues? As a small business owner with limited time to dedicate to website security, consider the following strategies to keep your WordPress site secure: Enable automatic updates for WordPress core, themes, and plugins. This ensures that your site receives the latest security patches and bug fixes as soon as they are released, reducing the risk of vulnerabilities like the one found in the Email Log plugin. Use a reputable WordPress security plugin, such as Wordfence, Sucuri, or iThemes Security, which offer features like malware scanning, firewall protection, and login security enhancements. These plugins can help automate many security tasks and alert you to potential security issues. Partner with a reliable WordPress maintenance and support service that can handle the technical aspects of website security on your behalf. These services often provide regular updates, security monitoring, and troubleshooting assistance, allowing you to focus on running your business while they take care of your website's security.

Q: How can I tell if my WordPress site has been compromised due to the Email Log plugin vulnerability?

How can I tell if my WordPress site has been compromised due to the Email Log plugin vulnerability? To determine if your WordPress site has been compromised due to the Email Log plugin vulnerability, look for the following signs: Unusual changes to your website's appearance, such as unauthorized content, links, or advertisements that you did not add yourself. Unexpected user accounts with admin privileges that you did not create, which may indicate that an attacker has gained access to your site and created a backdoor for future access. Suspicious entries in your website's access logs, such as requests from unfamiliar IP addresses or attempts to access sensitive files or directories. If you notice any of these signs, it's essential to act quickly to mitigate the damage and secure your website. Consider hiring a professional WordPress security service to assist you in cleaning up your site and implementing proper security measures.

Q: Can I continue using the Email Log plugin if I update it to the patched version?

Can I continue using the Email Log plugin if I update it to the patched version? Yes, you can continue using the Email Log plugin if you update it to version 2.4.9 or later, which contains the security patch for the Unauthenticated Hook Injection vulnerability. Updating the plugin to the patched version will close the security loophole and protect your WordPress site from potential exploits. However, it's essential to regularly monitor the plugin for any future vulnerabilities and update it promptly when new security patches are released. Additionally, consider evaluating your use of the Email Log plugin and determine if its functionality is essential to your website. If you are not actively using the plugin, it may be prudent to remove it altogether to reduce the potential attack surface of your site.

Q: What should I do if I'm not comfortable updating the Email Log plugin myself?

What should I do if I'm not comfortable updating the Email Log plugin myself? If you are not comfortable updating the Email Log plugin yourself, consider the following options: Reach out to a professional WordPress support service or a trusted web developer who can assist you in updating the plugin and ensuring your website's security. They can handle the technical aspects of the update process and provide guidance on any additional security measures you should implement. If you are using a managed WordPress hosting service, contact your hosting provider's support team and ask them to update the Email Log plugin on your behalf. Many managed hosting providers offer support services that include plugin updates and security assistance. Remember, it's crucial to address the Email Log plugin vulnerability promptly to protect your website from potential attacks. If you are unsure about how to proceed, seeking professional assistance is a wise decision to ensure your site's security and integrity.

Q: Are there any other measures I should take to improve my WordPress site's security in addition to updating the Email Log plugin?

Are there any other measures I should take to improve my WordPress site's security in addition to updating the Email Log plugin? Yes, there are several additional measures you can take to enhance your WordPress site's security: Use strong, unique passwords for all user accounts and enable two-factor authentication (2FA) to add an extra layer of protection against unauthorized access. Regularly update your WordPress core, themes, and plugins to ensure you have the latest security patches and bug fixes. Enable automatic updates whenever possible to streamline this process. Implement a website firewall and malware scanning solution to detect and block potential security threats, such as brute-force attacks, SQL injection attempts, and malware infections. By combining these security best practices with the timely update of the Email Log plugin, you can significantly reduce the risk of your WordPress site falling victim to cyber threats and maintain a secure online presence for your business.

By Your WP Guy | May 23, 2024

Plugin Name: Email Log

Key Information:

Software Type: Plugin
Software Slug: email-log
Software Status: Active
Software Author: sudar
Software Downloads: 80,000
Active Installs: 736,687
Last Updated: May 23, 2024
Patched Versions: 2.4.9
Affected Versions: <= 2.4.8

Vulnerability Details:

Name: Email Log <= 2.4.8 - Unauthenticated Hook Injection
Type: Improper Control of Generation of Code ('Code Injection')
CVE: CVE-2024-0867
CVSS Score: 8.1 (High)
Publicly Published: May 23, 2024
Researcher: Sean Murphy
Description: The Email Log plugin for WordPress is vulnerable to Unauthenticated Hook Injection in all versions up to, and including, 2.4.8 via the check_nonce function. This makes it possible for unauthenticated attackers to execute actions with hooks in WordPress under certain circumstances. The action the attacker wishes to execute needs to have a nonce check, and the nonce needs to be known to the attacker. Furthermore, the absence of a capability check is a requirement.

Summary:

The Email Log plugin for WordPress has a vulnerability in versions up to and including 2.4.8 that allows for Unauthenticated Hook Injection via the check_nonce function. This vulnerability has been patched in version 2.4.9.

Detailed Overview:

Researcher Sean Murphy discovered an Unauthenticated Hook Injection vulnerability in the Email Log plugin for WordPress. The vulnerability, which affects versions up to and including 2.4.8, is located in the check_nonce function. It allows unauthenticated attackers to execute actions with hooks in WordPress under certain circumstances. For the vulnerability to be exploitable, the action the attacker wishes to execute needs to have a nonce check, the nonce needs to be known to the attacker, and there must be an absence of a capability check.

Advice for Users:

Immediate Action: Users should update to version 2.4.9 or later of the Email Log plugin to ensure their WordPress installations are protected from this vulnerability.
Check for Signs of Vulnerability: Users should review their WordPress site for any unusual behavior or unauthorized changes that may indicate a compromise.
Alternate Plugins: While a patch is available, users might still consider plugins that offer similar functionality as a precaution.
Stay Updated: Always ensure that your plugins are updated to the latest versions to avoid vulnerabilities.

The prompt response from the plugin developers to patch this vulnerability underscores the importance of timely updates. Users are advised to ensure that they are running version 2.4.9 or later to secure their WordPress installations.

References:

https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/email-log

https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/email-log/email-log-248-unauthenticated-hook-injection

Detailed Report:

As a website owner, keeping your site secure should always be a top priority. Today, we bring to your attention a critical vulnerability discovered in the popular Email Log plugin for WordPress. This vulnerability, identified as CVE-2024-0867, affects all versions of the plugin up to and including 2.4.8 and puts thousands of websites at risk of unauthorized access and potential compromise.

About the Email Log Plugin

The Email Log plugin for WordPress, developed by Sudar, is a popular tool that allows website owners to keep track of emails sent from their sites. With over 736,000 active installations and 80,000 downloads, this plugin is widely used by the WordPress community. However, the recent discovery of a severe vulnerability has put many of these websites at risk.

Details of the Vulnerability

Researcher Sean Murphy discovered an Unauthenticated Hook Injection vulnerability in the Email Log plugin. The vulnerability, which affects versions up to and including 2.4.8, is located in the check_nonce function. It allows unauthenticated attackers to execute actions with hooks in WordPress under certain circumstances. For the vulnerability to be exploitable, the action the attacker wishes to execute needs to have a nonce check, the nonce needs to be known to the attacker, and there must be an absence of a capability check.

Risks and Potential Impacts

The Unauthenticated Hook Injection vulnerability in the Email Log plugin has been assigned a CVSS score of 8.1 (High), indicating its severity. If exploited, this vulnerability could allow attackers to execute malicious code on your WordPress site, potentially leading to unauthorized access, data theft, or even complete site compromise. This puts your website, its data, and your users' information at risk.

How to Remediate the Vulnerability

To protect your WordPress site from this vulnerability, it is crucial to take immediate action. The Email Log plugin developers have released a patched version, 2.4.9, which addresses the Unauthenticated Hook Injection issue. We strongly advise all users to update their Email Log plugin to version 2.4.9 or later as soon as possible. Additionally, we recommend reviewing your WordPress site for any unusual behavior or unauthorized changes that may indicate a compromise.

Previous Vulnerabilities

It is worth noting that the Email Log plugin has had a history of vulnerabilities. Since November 2017, there have been three previous vulnerabilities reported. This highlights the importance of staying vigilant and keeping your plugins up to date to ensure your website's security.

The Importance of Staying on Top of Security Vulnerabilities

As a small business owner managing a WordPress website, it can be challenging to stay on top of the ever-evolving landscape of online threats. However, neglecting the security of your website can have severe consequences, such as data breaches, loss of customer trust, and damage to your brand reputation. By regularly updating your WordPress core, themes, and plugins, as well as implementing security best practices, you can significantly reduce the risk of falling victim to vulnerabilities like the one found in the Email Log plugin.

If you are unsure about how to proceed or need assistance in ensuring your website's security, don't hesitate to reach out to a professional WordPress support service or a trusted web developer. They can help you navigate the complexities of website security and provide you with the peace of mind that comes with knowing your online presence is protected.

As a business owner, you don't have time to constantly monitor for WordPress vulnerabilities like this. At Your WP Guy, we become your outsourced IT team to handle security, updates, maintenance and support. Let us fully audit your site and plugins to assess any impact from this issue. We'll update everything to patched versions so you can rest easy knowing your site is locked down.

Focus on your business goals while we focus on your WordPress site's security. Chat with us anytime during business hours, schedule a call or call 678-995-5169 for a free consultation on securing your online presence.

Email Log Vulnerability – Unauthenticated Hook Injection – CVE-2024-0867 | WordPress Plugin Vulnerability Report FAQs

What is the Email Log plugin vulnerability, and how does it affect WordPress websites?

The Email Log plugin vulnerability is an Unauthenticated Hook Injection issue that affects versions up to and including 2.4.8. This vulnerability allows attackers to execute malicious code on WordPress websites without proper authentication, potentially leading to unauthorized access, data theft, or complete site compromise.

The vulnerability is located in the check_nonce function and requires specific conditions to be exploitable, such as the presence of a nonce check, the attacker's knowledge of the nonce, and the absence of a capability check. Despite these conditions, the vulnerability poses a significant risk to websites running the affected versions of the Email Log plugin.

How can I check if my WordPress site is using the Email Log plugin, and how do I know if it's vulnerable?

To check if your WordPress site is using the Email Log plugin, log in to your WordPress dashboard and navigate to the "Plugins" section. Look for the "Email Log" plugin in the list of installed plugins. If it's present, check the version number displayed below the plugin name.

If the version number is 2.4.8 or lower, your site is vulnerable to the Unauthenticated Hook Injection vulnerability. It's crucial to update the plugin to version 2.4.9 or later to ensure your site's security.

What steps should I take to protect my WordPress site from the Email Log plugin vulnerability?

To protect your WordPress site from the Email Log plugin vulnerability, follow these steps:

Update the Email Log plugin to version 2.4.9 or later as soon as possible. You can do this by logging into your WordPress dashboard, navigating to the "Plugins" section, and clicking on the "Update Now" link below the Email Log plugin name.
After updating the plugin, review your WordPress site for any unusual behavior or unauthorized changes that may indicate a compromise. If you notice anything suspicious, consider hiring a professional WordPress support service or a trusted web developer to assist you in securing your site.
As a precautionary measure, consider using alternate plugins that offer similar functionality to Email Log, especially if you are not actively using the plugin's features.

What are the risks associated with not updating the Email Log plugin to the patched version?

Not updating the Email Log plugin to the patched version (2.4.9 or later) leaves your WordPress site vulnerable to the Unauthenticated Hook Injection vulnerability. This vulnerability can be exploited by attackers to execute malicious code on your site, potentially leading to several risks:

Unauthorized access: Attackers may gain unauthorized access to your WordPress site, allowing them to view, modify, or delete sensitive data, such as user information, configuration files, or database contents.
Data theft: Hackers may steal sensitive information from your website, including user data, financial information, or proprietary business data, which can lead to identity theft, financial fraud, or reputational damage.
Site compromise: In severe cases, attackers may completely compromise your WordPress site, allowing them to deface your website, distribute malware, or use your site for phishing campaigns or other malicious activities.

How can I stay informed about future vulnerabilities in WordPress plugins?

To stay informed about future vulnerabilities in WordPress plugins, consider the following:

Regularly visit reputable WordPress security blogs and websites, such as the WordPress.org security page, WPScan Vulnerability Database, or Wordfence blog, which provide timely information and updates on the latest WordPress vulnerabilities and security issues.
Subscribe to email newsletters or RSS feeds from trusted WordPress security providers to receive notifications about new vulnerabilities, security patches, and best practices for maintaining a secure WordPress site.
Keep an eye on the changelog and update notices for the plugins you use on your WordPress site. Many plugin developers promptly release security patches and inform their users about potential vulnerabilities through these channels.

As a small business owner, how can I ensure my WordPress site remains secure without dedicating a lot of time to stay on top of security issues?

As a small business owner with limited time to dedicate to website security, consider the following strategies to keep your WordPress site secure:

Enable automatic updates for WordPress core, themes, and plugins. This ensures that your site receives the latest security patches and bug fixes as soon as they are released, reducing the risk of vulnerabilities like the one found in the Email Log plugin.
Use a reputable WordPress security plugin, such as Wordfence, Sucuri, or iThemes Security, which offer features like malware scanning, firewall protection, and login security enhancements. These plugins can help automate many security tasks and alert you to potential security issues.
Partner with a reliable WordPress maintenance and support service that can handle the technical aspects of website security on your behalf. These services often provide regular updates, security monitoring, and troubleshooting assistance, allowing you to focus on running your business while they take care of your website's security.

How can I tell if my WordPress site has been compromised due to the Email Log plugin vulnerability?

To determine if your WordPress site has been compromised due to the Email Log plugin vulnerability, look for the following signs:

Unusual changes to your website's appearance, such as unauthorized content, links, or advertisements that you did not add yourself.
Unexpected user accounts with admin privileges that you did not create, which may indicate that an attacker has gained access to your site and created a backdoor for future access.
Suspicious entries in your website's access logs, such as requests from unfamiliar IP addresses or attempts to access sensitive files or directories.

If you notice any of these signs, it's essential to act quickly to mitigate the damage and secure your website. Consider hiring a professional WordPress security service to assist you in cleaning up your site and implementing proper security measures.

Can I continue using the Email Log plugin if I update it to the patched version?

Yes, you can continue using the Email Log plugin if you update it to version 2.4.9 or later, which contains the security patch for the Unauthenticated Hook Injection vulnerability. Updating the plugin to the patched version will close the security loophole and protect your WordPress site from potential exploits.

However, it's essential to regularly monitor the plugin for any future vulnerabilities and update it promptly when new security patches are released. Additionally, consider evaluating your use of the Email Log plugin and determine if its functionality is essential to your website. If you are not actively using the plugin, it may be prudent to remove it altogether to reduce the potential attack surface of your site.

What should I do if I'm not comfortable updating the Email Log plugin myself?

If you are not comfortable updating the Email Log plugin yourself, consider the following options:

Reach out to a professional WordPress support service or a trusted web developer who can assist you in updating the plugin and ensuring your website's security. They can handle the technical aspects of the update process and provide guidance on any additional security measures you should implement.
If you are using a managed WordPress hosting service, contact your hosting provider's support team and ask them to update the Email Log plugin on your behalf. Many managed hosting providers offer support services that include plugin updates and security assistance.

Remember, it's crucial to address the Email Log plugin vulnerability promptly to protect your website from potential attacks. If you are unsure about how to proceed, seeking professional assistance is a wise decision to ensure your site's security and integrity.

Are there any other measures I should take to improve my WordPress site's security in addition to updating the Email Log plugin?

Yes, there are several additional measures you can take to enhance your WordPress site's security:

Use strong, unique passwords for all user accounts and enable two-factor authentication (2FA) to add an extra layer of protection against unauthorized access.
Regularly update your WordPress core, themes, and plugins to ensure you have the latest security patches and bug fixes. Enable automatic updates whenever possible to streamline this process.
Implement a website firewall and malware scanning solution to detect and block potential security threats, such as brute-force attacks, SQL injection attempts, and malware infections.

By combining these security best practices with the timely update of the Email Log plugin, you can significantly reduce the risk of your WordPress site falling victim to cyber threats and maintain a secure online presence for your business.

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Posted in Security, Vulnerabilities and tagged brand reputation, customer trust, CVE-2024-0867, Data Breach, Email Log plugin, online threats, Patch, Plugin Vulnerability, Security Update, Small Business, unauthenticated hook injection, Website Maintenance, Website Security, wordpress plugins, wordpress security