CVE-2022-4507 : Vulnerability Insights and Analysis

A stored Cross-Site Scripting vulnerability in the Real Cookie Banner WordPress plugin before version 3.4.10 allows contributors to execute attacks against logged-in admins.

Understanding CVE-2022-4507

This vulnerability, assigned CVE-2022-4507, affects the Real Cookie Banner plugin for WordPress, enabling contributors to exploit stored XSS against admin users.

What is CVE-2022-4507?

The Real Cookie Banner plugin, versions prior to 3.4.10, fail to validate and properly escape shortcode attributes, opening up the potential for stored XSS attacks by low-level contributors.

The Impact of CVE-2022-4507

This vulnerability can be exploited by contributors to execute malicious scripts on the site, posing a significant risk to logged-in administrators and potentially compromising sensitive information.

Technical Details of CVE-2022-4507

Here are the technical specifics of the CVE-2022-4507 vulnerability:

Vulnerability Description

The Real Cookie Banner WordPress plugin prior to version 3.4.10 does not adequately validate and escape certain shortcode attributes, allowing contributors to perform stored XSS attacks against admins.

Affected Systems and Versions

The affected product is the Real Cookie Banner: GDPR (DSGVO) & ePrivacy Cookie Consent plugin for WordPress, versions less than 3.4.10.

Exploitation Mechanism

Contributors with access to the plugin can exploit the lack of validation to insert and execute malicious scripts within the plugin, targeting admin users.

Mitigation and Prevention

To address CVE-2022-4507 and protect your WordPress site, consider the following steps:

Immediate Steps to Take

Update the Real Cookie Banner plugin to version 3.4.10 or newer as soon as possible.
Limit contributor roles to minimize the risk of exploitation.

Long-Term Security Practices

Regularly monitor and review plugin updates and security advisories.
Educate users on secure coding practices and the risks of XSS vulnerabilities.

Patching and Updates

Apply security patches promptly and ensure that all plugins and themes are kept up to date to prevent similar vulnerabilities from being exploited.