CVE-2022-4714 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2022-4714, a Contributor+ Stored XSS vulnerability in the WP Dark Mode WordPress plugin.

Understanding CVE-2022-4714

In this section, we will explore the impact, technical details, and mitigation strategies related to CVE-2022-4714.

What is CVE-2022-4714?

The WP Dark Mode WordPress plugin before version 4.0.0 is vulnerable to a Stored Cross-Site Scripting attack due to inadequate validation of shortcode attributes. This flaw allows users with low-level roles like contributor to execute malicious scripts on affected websites.

The Impact of CVE-2022-4714

The vulnerability in WP Dark Mode plugin could be exploited by attackers to inject and execute arbitrary JavaScript code in the context of a user's browser session. This could lead to account takeover, data theft, defacement, or other serious consequences.

Technical Details of CVE-2022-4714

Let's delve deeper into the technical aspects of CVE-2022-4714 to understand the vulnerability, affected systems, and how it can be exploited.

Vulnerability Description

The lack of proper validation and escaping of shortcode attributes in WP Dark Mode plugin allows an authenticated user with contributor privileges to craft a malicious payload and inject it into the plugin's functionality, leading to XSS attacks.

Affected Systems and Versions

The vulnerability affects WP Dark Mode versions prior to 4.0.0, making websites using these versions susceptible to exploitation. Users are advised to update to the latest secure version immediately.

Exploitation Mechanism

By leveraging the Contributor role, an attacker can abuse the vulnerable shortcode attribute handling in WP Dark Mode to embed malicious scripts that get executed when the affected page or post is viewed by a visitor.

Mitigation and Prevention

To safeguard your WordPress websites from CVE-2022-4714 and similar security risks, follow the best practices outlined below.

Immediate Steps to Take

Disable the WP Dark Mode plugin if immediate updating is not feasible.
Update WP Dark Mode to version 4.0.0 or newer to eliminate the vulnerability.
Educate users on the importance of avoiding suspicious links and content to prevent XSS attacks.

Long-Term Security Practices

Regularly scan your WordPress plugins for known vulnerabilities using security tools.
Keep all plugins, themes, and WordPress core files up to date to prevent exploitation.
Implement a robust security posture with proper user roles and permissions to limit the impact of potential breaches.

Patching and Updates

Stay informed about security advisories related to WP Dark Mode and apply patches promptly to mitigate risks associated with known vulnerabilities.