CVE-2021-24645 : What You Need to Know

This article provides detailed information about CVE-2021-24645, a vulnerability found in the Booking.com Product Helper WordPress plugin before version 1.0.2 that could lead to Cross-Site Scripting attacks.

Understanding CVE-2021-24645

This section delves into the impact, technical details, and mitigation strategies for the CVE-2021-24645 vulnerability.

What is CVE-2021-24645?

The Booking.com Product Helper WordPress plugin before 1.0.2 fails to adequately sanitize and escape Product Code when creating Product Shortcode. This flaw may enable high-privileged users to conduct Cross-Site Scripting attacks, even if the unfiltered_html capability is disabled.

The Impact of CVE-2021-24645

The vulnerability allows attackers with high privileges to inject malicious scripts into the plugin, posing a risk of executing unauthorized actions and compromising user data.

Technical Details of CVE-2021-24645

Let's explore the specific technical aspects of this security issue.

Vulnerability Description

The lack of proper sanitization in the Booking.com Product Helper plugin's Product Code creation process opens the door for potential Cross-Site Scripting attacks.

Affected Systems and Versions

The vulnerability affects Booking.com Product Helper plugin versions prior to 1.0.2, leaving websites using these versions exposed to XSS attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious Product Codes that, when processed by the plugin, trigger Cross-Site Scripting payloads.

Mitigation and Prevention

To safeguard your WordPress site from CVE-2021-24645, it's crucial to take immediate action and implement proactive security measures.

Immediate Steps to Take

Website administrators should update the Booking.com Product Helper plugin to version 1.0.2 or later to patch the vulnerability and prevent potential XSS exploits.

Long-Term Security Practices

Regularly monitor security advisories, maintain up-to-date plugins, and educate users about the risks of XSS attacks to enhance overall security posture.

Patching and Updates

Vendor-provided patches should be applied promptly to ensure the plugin's security efficacy and protect against emerging threats.