Media Library Assistant Vulnerability- Authenticated (Author+) Arbitrary File Upload via mla-inline-edit-upload-scripts AJAX Action – CVE-2024-6823 | WordPress Plugin Vulnerability Report
Plugin Name: Media Library Assistant
Key Information:
- Software Type: Plugin
- Software Slug: media-library-assistant
- Software Status: Active
- Software Author: dglingren
- Software Downloads: 2,044,116
- Active Installs: 70,000
- Last Updated: August 18, 2024
- Patched Versions: 3.19
- Affected Versions: <= 3.18
Vulnerability Details:
- Name: Media Library Assistant <= 3.18
- Title: Authenticated (Author+) Arbitrary File Upload via mla-inline-edit-upload-scripts AJAX Action
- Type: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVE: CVE-2024-6823
- CVSS Score: 8.8
- Publicly Published: August 12, 2024
- Researcher: wesley (wcraft)
- Description: The Media Library Assistant plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation involving the mla-inline-edit-upload-scripts AJAX action in all versions up to, and including, 3.18. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
Summary:
The Media Library Assistant plugin for WordPress has a vulnerability in versions up to and including 3.18 that allows for authenticated (Author+) arbitrary file uploads via the mla-inline-edit-upload-scripts AJAX action. This vulnerability has been patched in version 3.19.
Detailed Overview:
The vulnerability identified as CVE-2024-6823 was discovered by security researcher wesley (wcraft). It affects the Media Library Assistant plugin, a widely used tool for managing and enhancing the WordPress media library. The vulnerability stems from inadequate file type validation in the mla-inline-edit-upload-scripts AJAX action, which allows authenticated users with Author-level access or higher to upload arbitrary files to the server. This flaw could potentially be exploited to execute remote code on the server, leading to full control over the affected site.
The severity of this vulnerability is underscored by its CVSS score of 8.8, indicating a high level of risk. The plugin’s author has responded by releasing a patch in version 3.19, which addresses the issue and prevents the exploitation of this vulnerability.
Advice for Users:
Immediate Action: Users of the Media Library Assistant plugin should update to the patched version 3.19 immediately to protect their sites from potential exploitation.
Check for Signs of Vulnerability: Users should review their server logs and media library for any unauthorized file uploads or unusual activity, which may indicate that their site has been compromised.
Alternate Plugins: While a patch is available, users might still consider exploring alternative plugins that offer similar functionality, especially if they have concerns about the security history of this plugin.
Stay Updated: It is essential to ensure that all WordPress plugins, including the Media Library Assistant, are kept up to date with the latest versions to avoid vulnerabilities.
Conclusion:
The prompt response from the plugin developers to patch this vulnerability highlights the importance of staying on top of updates. Users are strongly advised to ensure they are running version 3.19 or later to secure their WordPress installations against this critical flaw.
References:
Detailed Report:
Maintaining the security of your WordPress website is a critical responsibility that requires ongoing vigilance and timely action. One of the most effective ways to protect your site is by ensuring that all plugins are regularly updated. Outdated plugins can expose your site to significant security risks, as they often contain vulnerabilities that attackers can exploit. A recent example of such a risk is the discovery of a critical vulnerability in the widely used Media Library Assistant plugin, which has been downloaded over 2 million times and is active on 70,000 websites.
Plugin Overview
The Media Library Assistant plugin is a popular tool for managing and enhancing the WordPress media library. Developed by dglingren, this plugin offers extensive features for organizing and displaying media files, making it a valuable resource for many WordPress site owners. However, with great utility comes great responsibility, as keeping the plugin up to date is essential to avoid security risks.
As of its last update on August 18, 2024, the plugin has received a critical security patch in version 3.19, addressing a vulnerability that affects all previous versions.
Details of the Vulnerability
The vulnerability, identified as CVE-2024-6823, affects all versions of the Media Library Assistant plugin up to and including 3.18. Discovered by security researcher wesley (wcraft) and publicly disclosed on August 12, 2024, this vulnerability allows authenticated users with Author-level access to upload arbitrary files to the server through the mla-inline-edit-upload-scripts AJAX action. Due to missing file type validation, an attacker could exploit this flaw to execute remote code, potentially taking full control of the affected website.
This vulnerability is particularly severe, as reflected by its CVSS score of 8.8, indicating a high level of risk. If exploited, it could lead to unauthorized changes to your site, data breaches, or even complete loss of control over your website.
Risks and Potential Impacts
For small business owners, the risks associated with this vulnerability are significant. An attacker exploiting this flaw could:
- Compromise your website’s security: By uploading malicious files, an attacker could inject harmful code, deface your site, or steal sensitive information.
- Disrupt your business operations: A compromised website could lead to downtime, loss of customer trust, and potential legal consequences, especially if customer data is breached.
- Damage your reputation: A security breach can harm your brand’s reputation, leading to a loss of customers and revenue.
Given the severity of this vulnerability, it’s crucial to take immediate action to protect your website.
How to Remediate the Vulnerability
Fortunately, the developers of the Media Library Assistant plugin have released a patch in version 3.19 to address this vulnerability. To secure your website, it is vital to:
- Update the Plugin Immediately: Ensure that you are using version 3.19 or later. This update will close the vulnerability and protect your site from potential exploitation.
- Check for Signs of Compromise: Review your server logs and media library for any unauthorized file uploads or unusual activity that could indicate a breach.
- Consider Alternative Plugins: While the patch is effective, you may want to explore alternative plugins that offer similar functionality, particularly if you have concerns about the plugin’s security history.
Overview of Previous Vulnerabilities
It’s important to note that this is not the first vulnerability affecting the Media Library Assistant plugin. Since May 28, 2018, there have been 16 previous vulnerabilities reported. This history underscores the importance of remaining vigilant and ensuring that all plugins, especially those with a history of security issues, are regularly updated and closely monitored.
Conclusion
The prompt response from the plugin developers to patch this vulnerability highlights the critical importance of staying on top of updates. However, as a small business owner, finding the time to manage these updates can be challenging. This is why it’s essential to implement regular maintenance routines, such as enabling automatic updates, conducting regular security scans, and maintaining backups of your site.
If you’re concerned about the security of your website or don’t have the time to manage these tasks, consider seeking professional assistance. Keeping your website secure not only protects your business but also ensures the trust and safety of your customers. In the ever-evolving landscape of online security, staying one step ahead can make all the difference.
Staying Secure
Staying on top of WordPress security can feel overwhelming for small business owners without dedicated IT staff. At Your WP Guy, we exist to shoulder that burden for you. Our WordPress experts can fully audit, secure, maintain and support your site - so you can focus on growing your business with peace of mind.
Don't tackle security risks alone. Let us help you assess any impact from this vulnerability, update your plugins, and implement ongoing maintenance to avoid future threats. We treat your website like it's our own - because we know how critical it is for reaching your customers.
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