CVE-2022-27853 : Security Advisory and Response

This article discusses the Authenticated Stored Cross-Site Scripting (XSS) vulnerability in the Contest Gallery WordPress plugin version <= 13.1.0.9, along with its impact, technical details, and mitigation steps.

Understanding CVE-2022-27853

This section provides detailed insights into the vulnerability, its impact, affected systems, and exploitation mechanism.

What is CVE-2022-27853?

The CVE-2022-27853 is an Authenticated Stored Cross-Site Scripting (XSS) vulnerability discovered in the Contest Gallery WordPress plugin version <= 13.1.0.9. This vulnerability allows attackers with author or higher role access to inject malicious scripts into the plugin, potentially leading to unauthorized actions on a user's browser.

The Impact of CVE-2022-27853

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 4.8. Attackers with high privileges can exploit this vulnerability, compromising the confidentiality and integrity of the affected system.

Technical Details of CVE-2022-27853

This section delves into the vulnerability description, affected systems and versions, and the exploitation mechanism of CVE-2022-27853.

Vulnerability Description

The vulnerability presents an opportunity for authenticated users with author or higher role access to inject and store malicious scripts within the plugin, leading to potential XSS attacks.

Affected Systems and Versions

The vulnerability affects the Contest Gallery WordPress plugin version <= 13.1.0.9 specifically.

Exploitation Mechanism

To exploit this vulnerability, attackers need authenticated access with author or higher role permissions to inject malicious scripts via the plugin's functionalities.

Mitigation and Prevention

This section outlines the steps users can take to mitigate the risks associated with CVE-2022-27853 and prevent potential exploitation.

Immediate Steps to Take

Users are advised to update their Contest Gallery plugin to version 14.0.0 or higher to mitigate the vulnerability and enhance the security of their WordPress websites.

Long-Term Security Practices

In addition to updating the plugin, users should practice good security hygiene by regularly monitoring for updates, performing security audits, and educating users on safe practices to prevent XSS attacks.

Patching and Updates

Regularly monitor for security updates provided by the plugin vendor and apply patches promptly to ensure the latest security fixes are in place.