CVE-2022-4562 : Vulnerability Insights and Analysis

A Stored XSS vulnerability has been identified in the Meks Flexible Shortcodes WordPress plugin, allowing low-privilege users to execute malicious code.

Understanding CVE-2022-4562

This CVE relates to a security flaw in the Meks Flexible Shortcodes plugin that could be exploited for Cross-Site Scripting attacks.

What is CVE-2022-4562?

The Meks Flexible Shortcodes WordPress plugin versions prior to 1.3.5 are susceptible to Stored Cross-Site Scripting attacks, enabling users with contributor roles to execute malicious scripts.

The Impact of CVE-2022-4562

The vulnerability allows threat actors to target high-privilege users such as admins, potentially compromising the entire WordPress site's security.

Technical Details of CVE-2022-4562

This section covers the specific technical details of the CVE.

Vulnerability Description

The flaw originates from the plugin's failure to properly validate and escape certain shortcode attributes, enabling contributors to inject and execute harmful scripts.

Affected Systems and Versions

The Meks Flexible Shortcodes plugin versions below 1.3.5 are affected by this vulnerability, impacting WordPress sites leveraging these versions.

Exploitation Mechanism

By leveraging the vulnerability, contributors can insert malicious code through shortcode attributes, posing a risk of Cross-Site Scripting attacks.

Mitigation and Prevention

Protect your WordPress site from CVE-2022-4562 by following these security measures.

Immediate Steps to Take

Update the Meks Flexible Shortcodes plugin to version 1.3.5 or later.
Restrict contributor privileges to minimize the risk of exploitation.

Long-Term Security Practices

Regularly audit and update plugins to patch security vulnerabilities.
Educate users on best practices to prevent XSS attacks.

Patching and Updates

Stay informed about security patches for your WordPress plugins and apply updates promptly to mitigate potential risks.