CVE-2022-4142 : Vulnerability Insights and Analysis

This article provides insights into the WordPress Filter Gallery Plugin vulnerability (CVE-2022-4142) affecting versions prior to 0.1.6, allowing stored XSS attacks.

Understanding CVE-2022-4142

This section delves into the details of CVE-2022-4142 concerning the WordPress Filter Gallery Plugin.

What is CVE-2022-4142?

The CVE-2022-4142 vulnerability involves the WordPress Filter Gallery Plugin failing to escape filters properly, enabling a high privileged user to inject harmful scripts on the settings page.

The Impact of CVE-2022-4142

The vulnerability poses a significant risk as it allows an administrator to execute malicious scripts, compromising the security and integrity of the WordPress Filter Gallery Plugin.

Technical Details of CVE-2022-4142

In this section, the technical aspects of CVE-2022-4142 are discussed.

Vulnerability Description

The WordPress Filter Gallery Plugin versions prior to 0.1.6 do not adequately sanitize filters, enabling an admin to insert HTML or JavaScript, even with restricted capabilities.

Affected Systems and Versions

The affected system is the WordPress Filter Gallery Plugin with versions below 0.1.6.

Exploitation Mechanism

Through the ufg_gallery_filters ajax action, a high privileged user can inject malicious code into the plugin settings page, bypassing security restrictions.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent exploitation of CVE-2022-4142.

Immediate Steps to Take

Website administrators should immediately update the WordPress Filter Gallery Plugin to version 0.1.6 or newer to address the vulnerability.

Long-Term Security Practices

Implementing regular security audits, restricting user privileges, and monitoring plugin updates can enhance long-term security.

Patching and Updates

Stay vigilant for security patches released by the plugin developer and ensure timely installation to safeguard against potential exploits.