CVE-2022-4035 : What You Need to Know

This article provides detailed information about CVE-2022-4035, a vulnerability found in the Appointment Hour Booking plugin for WordPress that allows for iFrame Injection. Read on to understand the impact, technical details, and mitigation steps associated with this CVE.

Understanding CVE-2022-4035

CVE-2022-4035 is a security vulnerability discovered in the Appointment Hour Booking plugin for WordPress, enabling unauthenticated attackers to inject iFrames by manipulating certain parameters.

What is CVE-2022-4035?

The Appointment Hour Booking plugin for WordPress is susceptible to iFrame Injection through specific field parameters, resulting in potential execution of malicious iFrames when users access the injected booking details page.

The Impact of CVE-2022-4035

With insufficient input sanitization and output escaping, attackers can craft bookings that include iFrames, leading to possible security breaches and unauthorized code execution on the affected WordPress websites.

Technical Details of CVE-2022-4035

To delve deeper into CVE-2022-4035, let's explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability arises due to inadequate input validation, allowing attackers to insert iFrames in bookings. This can lead to arbitrary code execution and potential compromise of user data.

Affected Systems and Versions

The vulnerability affects versions up to and including 1.3.72 of the Appointment Hour Booking plugin for WordPress.

Exploitation Mechanism

By manipulating the 'email' or general field parameters while submitting a booking, attackers can embed malicious iFrames that execute when users visit the injected booking details page.

Mitigation and Prevention

Discover the immediate steps to secure your WordPress website, adopt long-term security practices, and stay up-to-date with patching and updates.

Immediate Steps to Take

Website administrators should consider temporarily disabling the plugin, monitoring for unusual activities, and validating user input to prevent iFrame Injection attacks.

Long-Term Security Practices

Implement strict input validation, regularly audit third-party plugins for security flaws, and educate users about safe online practices to enhance website security.

Patching and Updates

Stay informed about security patches released by the plugin developers and promptly apply updates to mitigate the risk of iFrame Injection vulnerabilities.