CVE-2021-34660 : What You Need to Know

This article provides detailed insights into CVE-2021-34660, a vulnerability found in the WP Fusion Lite WordPress plugin that allows attackers to execute Reflected Cross-Site Scripting attacks.

Understanding CVE-2021-34660

CVE-2021-34660 is a security vulnerability identified in the WP Fusion Lite plugin, which permits attackers to inject malicious web scripts through the startdate parameter in the affected versions.

What is CVE-2021-34660?

The WP Fusion Lite WordPress plugin is vulnerable to Reflected Cross-Site Scripting, enabling threat actors to insert arbitrary web scripts using the startdate parameter in the ~/includes/admin/logging/class-log-table-list.php file.

The Impact of CVE-2021-34660

The vulnerability in versions up to and including 3.37.18 of WP Fusion Lite poses a medium risk, with a CVSS base score of 6.1. Attackers can exploit this flaw to execute malicious scripts on affected websites.

Technical Details of CVE-2021-34660

This section delves into the technical aspects of the CVE, including the description of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from inadequate input validation on the startdate parameter, allowing attackers to inject malicious scripts into the application.

Affected Systems and Versions

WP Fusion Lite versions up to and including 3.37.18 are impacted by this vulnerability, potentially exposing websites to cross-site scripting attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the startdate parameter to inject and execute arbitrary scripts, compromising the integrity of the website.

Mitigation and Prevention

In response to CVE-2021-34660, users and administrators are advised to take immediate action to secure their systems and prevent potential exploitation.

Immediate Steps to Take

Update the WP Fusion Lite plugin to version 3.37.30 or newer to mitigate the vulnerability and protect the website from potential cross-site scripting attacks.

Long-Term Security Practices

Implement secure coding practices, regularly monitor for security updates, and conduct periodic security audits to detect and remediate vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories from the plugin vendor and apply patches promptly to safeguard your WordPress website from known vulnerabilities.