CVE-2021-24239 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-24239, a vulnerability in the Pie Register WordPress plugin that leads to a reflected Cross-Site Scripting issue.

Understanding CVE-2021-24239

This section provides insight into the nature of the vulnerability found in the Pie Register WordPress plugin.

What is CVE-2021-24239?

The Pie Register WordPress plugin before version 3.7.0.1 is prone to a reflected Cross-Site Scripting issue due to inadequate sanitization of the invitaion_code GET parameter.

The Impact of CVE-2021-24239

The lack of input sanitization in the affected plugin can allow attackers to inject malicious scripts, potentially leading to unauthorized access and data theft.

Technical Details of CVE-2021-24239

Explore the technical aspects of the CVE-2021-24239 vulnerability in the Pie Register WordPress plugin.

Vulnerability Description

The vulnerability arises from the Outputting of unsanitized invitaion_code GET parameter on the Activation Code page.

Affected Systems and Versions

The Pie Register WordPress plugin versions earlier than 3.7.0.1 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting malicious code into the invitaion_code GET parameter, which, when executed, could lead to XSS attacks.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-24239 in the Pie Register WordPress plugin.

Immediate Steps to Take

Users are advised to update the Pie Register plugin to version 3.7.0.1 or later to prevent exploitation of this vulnerability.

Long-Term Security Practices

Regularly monitor security advisories and apply updates promptly to protect against known vulnerabilities.

Patching and Updates

Stay informed about security patches released by the plugin developer and ensure timely installation to maintain the security of your WordPress installation.