CVE-2021-4335 : What You Need to Know

A security vulnerability has been identified in the Fancy Product Designer plugin for WordPress, potentially allowing unauthorized access to data and modification of plugin settings. This article provides an overview of CVE-2021-4335, its impact, technical details, and mitigation strategies.

Understanding CVE-2021-4335

This section delves into the specifics of CVE-2021-4335, shedding light on the nature of the vulnerability and its implications.

What is CVE-2021-4335?

The Fancy Product Designer plugin for WordPress is susceptible to unauthorized data access and modification of plugin settings, as a result of lacking capability checks in multiple AJAX functions within versions up to and including 4.6.9. This flaw enables authenticated attackers with subscriber-level permissions to manipulate plugin settings, retrieve arbitrary order information, and create/update/delete products or orders not linked to their account.

The Impact of CVE-2021-4335

With this vulnerability present in the Fancy Product Designer plugin for WordPress, attackers with limited access can exploit the flaw to gain unauthorized control over sensitive information and configuration settings.

Technical Details of CVE-2021-4335

This section outlines the technical aspects of CVE-2021-4335, including the vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability stems from the absence of capability checks in various AJAX functions of the Fancy Product Designer plugin, allowing attackers with certain permissions to misuse these functions for unauthorized actions.

Affected Systems and Versions

The affected system is the Fancy Product Designer plugin for WordPress, with versions up to and including 4.6.9 being vulnerable to exploitation.

Exploitation Mechanism

Authenticated attackers with subscriber-level permissions can leverage the lack of capability checks in the plugin's AJAX functions to access sensitive data and modify plugin settings.

Mitigation and Prevention

In this section, we discuss the steps to mitigate the risks posed by CVE-2021-4335, safeguarding systems from potential exploitation.

Immediate Steps to Take

Users are advised to update the Fancy Product Designer plugin to a patched version beyond 4.6.9 and review user permissions to limit access rights.

Long-Term Security Practices

Implementing strict access controls, conducting regular security audits, and staying informed about plugin updates are essential for long-term security.

Patching and Updates

Regularly applying security patches and staying up-to-date with plugin releases is crucial to ensure protection against known vulnerabilities.