Question 1

What is CVE-2024-2139?

Accepted Answer

What is CVE-2024-2139?

CVE-2024-2139 refers to a specific security vulnerability identified within the Master Addons plugin for Elementor, a popular tool used on WordPress sites. This vulnerability, classified as Authenticated Stored Cross-Site Scripting (XSS), was discovered in versions up to and including 2.0.5.6 of the plugin. It allows users with contributor-level access or higher to inject malicious scripts into web pages through the Pricing Table widget.

Question 2

How does Stored Cross-Site Scripting (XSS) affect my website?

Accepted Answer

How does Stored Cross-Site Scripting (XSS) affect my website?

Stored Cross-Site Scripting (XSS) vulnerabilities allow attackers to embed malicious scripts into the content of web pages that are saved on the server. When other users view these compromised pages, the scripts execute, potentially leading to unauthorized access, data theft, or manipulation of the site content. This can compromise both the security of your site and the safety of its users.

Question 3

What should I do if my site uses an affected version of Master Addons?

Accepted Answer

What should I do if my site uses an affected version of Master Addons?

If your site is running an affected version of Master Addons, it's crucial to update the plugin to the latest patched version, 2.0.5.7, as soon as possible. This update addresses the vulnerability and restores the plugin's security. Always ensure that your site's themes and plugins are up-to-date to protect against known vulnerabilities.

Question 4

Can this vulnerability be exploited by any visitor to my site?

Accepted Answer

Can this vulnerability be exploited by any visitor to my site?

The vulnerability requires at least contributor-level access to exploit, meaning that a visitor without an account or with subscriber-level access cannot directly exploit this vulnerability. However, if an attacker gains access to an account with the necessary permissions, they could inject malicious scripts into your site. It's vital to manage user roles and permissions carefully and monitor for suspicious activity.

Question 5

How can I check if my site has been compromised due to this vulnerability?

Accepted Answer

How can I check if my site has been compromised due to this vulnerability?

To check for compromises, look for unexpected changes in your site's content, new unknown user accounts, or unusual admin activity. Employing a security plugin that scans for malicious activity and vulnerabilities can also help identify if your site has been compromised. Regularly reviewing your site's access logs for suspicious behavior is another good practice.

Question 6

Are there any immediate steps I can take to secure my site?

Accepted Answer

Are there any immediate steps I can take to secure my site?

To secure your site immediately, update Master Addons to the latest version to patch the vulnerability. Additionally, consider implementing a web application firewall (WAF) to block malicious traffic and using a security plugin to scan for and mitigate other potential vulnerabilities. Regularly backing up your site ensures that you can restore it in case of compromise.

Question 7

What is the CVSS score, and why is it important?

Accepted Answer

What is the CVSS score, and why is it important?

The Common Vulnerability Scoring System (CVSS) score provides a standardized way to assess the severity of a security vulnerability. The CVSS score of 6.4 for CVE-2024-2139 indicates a medium level of severity, suggesting that the vulnerability poses a significant risk that should be addressed promptly. The score helps prioritize responses to vulnerabilities based on their potential impact.

Question 8

How can I stay informed about vulnerabilities in the plugins I use?

Accepted Answer

How can I stay informed about vulnerabilities in the plugins I use?

To stay informed about vulnerabilities in the plugins you use, subscribe to security bulletins or feeds from reputable sources in the WordPress community, such as the WordPress Vulnerability Database or plugin developers' own sites. Regularly checking the updates section of your WordPress dashboard can also alert you to available updates that address security issues.

Question 9

What are the implications of having multiple vulnerabilities in a plugin?

Accepted Answer

What are the implications of having multiple vulnerabilities in a plugin?

Multiple vulnerabilities in a plugin indicate potential security risks that could be exploited by attackers. Each vulnerability may provide a different method of compromise, increasing the overall risk to your site. It's essential to address all known vulnerabilities promptly and consider the plugin's overall security history when deciding whether to continue using it.

Question 10

Why is it important to limit user roles and permissions on my WordPress site?

Accepted Answer

Why is it important to limit user roles and permissions on my WordPress site?

Limiting user roles and permissions is a critical security measure that minimizes the potential for exploitation of vulnerabilities like CVE-2024-2139. By ensuring that users have only the permissions they need to perform their tasks, you reduce the risk of a malicious or compromised user injecting harmful content or otherwise damaging your site. Regularly reviewing and adjusting permissions as necessary helps maintain a secure WordPress environment.

Small Business Online Security

Master Addons Vulnerability – Free Widgets, Hover Effects, Toggle, Conditions, Animations for Elementor – Authenticated (Contributor+) Stored Cross-Site Scripting via Pricing Table Widget – CVE-2024-2139 |WordPress Plugin Vulnerability Report

Page scroll to id – Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode – CVE-2024-1445 |WordPress Plugin Vulnerability Report

Advanced Custom Fields (ACF) – Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Field – CVE-2023-6701 | WordPress Plugin Vulnerability Report

Burst Statistics Vulnerability – Authenticated (Editor+) SQL Injection – CVE-2024-0405 | WordPress Plugin Vulnerability Report

Recent Blog Posts

LiteSpeed Cache Vulnerability – Unauthenticated Sensitive Information Exposure via Log Files – CVE-2024-44000 | WordPress Plugin Vulnerability Report

Elementor Addon Elements Vulnerability – Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Parameters – CVE-2024-4401, CVE-2024-7122 | WordPress Plugin Vulnerability Report

The Post Grid – Shortcode, Gutenberg Blocks and Elementor Addon for Post Grid Vulnerability – Authenticated (Contributor+) Information Disclosure – CVE-2024-7418 | WordPress Plugin Vulnerability Report

Additional Resources

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