CVE-2021-24305 : What You Need to Know

A critical unauthenticated stored XSS vulnerability exists in the Target First Plugin version 2.0. Attackers can exploit this flaw by manipulating the 'weeWzKey' parameter to modify the license key value.

Understanding CVE-2021-24305

This CVE identifies a security issue in the Target First Plugin version 2.0, allowing unauthenticated users to execute stored XSS attacks by changing the license key value.

What is CVE-2021-24305?

The Target First WordPress Plugin version 2.0, formerly Watcheezy, is affected by a critical unauthenticated stored XSS vulnerability. This flaw enables attackers to modify the license key value by submitting a POST request with the 'weeWzKey' parameter.

The Impact of CVE-2021-24305

The vulnerability could lead to unauthorized access, data theft, or further exploitation of the affected WordPress websites.

Technical Details of CVE-2021-24305

This section elaborates on the specifics related to CVE-2021-24305.

Vulnerability Description

The vulnerability in the Target First Plugin version 2.0 allows attackers to perform unauthenticated stored XSS attacks by manipulating the license key value through a POST request.

Affected Systems and Versions

Only systems with the Target First Plugin version 2.0 installed are vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by submitting a POST request to any URL containing the 'weeWzKey' parameter, which will be saved as the 'weeID' option without proper sanitization.

Mitigation and Prevention

To protect your systems and data, consider the following mitigation strategies:

Immediate Steps to Take

Update the Target First Plugin to a patched version that addresses the vulnerability.
Monitor system logs for any suspicious activities or unauthorized access attempts.

Long-Term Security Practices

Regularly update all plugins, themes, and WordPress core to mitigate potential security risks.
Implement strict input validation and sanitization practices to prevent XSS vulnerabilities.

Patching and Updates

Ensure that you regularly apply security patches and updates provided by the plugin vendor to protect your WordPress installation from known vulnerabilities.