CVE-2021-36854 : Exploit Details and Defense Strategies

This article discusses CVE-2021-36854, a vulnerability found in the WordPress Booking Ultra Pro plugin version 1.1.4 and below that allows multiple Cross-Site Request Forgery (CSRF) attacks.

Understanding CVE-2021-36854

In this section, we will delve into the details of the CVE-2021-36854 vulnerability in the Booking Ultra Pro plugin.

What is CVE-2021-36854?

The CVE-2021-36854 vulnerability involves multiple Cross-Site Request Forgery (CSRF) vulnerabilities in the Booking Ultra Pro plugin version 1.1.4 and below for WordPress.

The Impact of CVE-2021-36854

The severity of this vulnerability is rated as MEDIUM with a CVSS base score of 5.4. The attack complexity is low, requiring no privileges, and user interaction is required for exploitation.

Technical Details of CVE-2021-36854

Let's explore the technical aspects of CVE-2021-36854 to understand its implications better.

Vulnerability Description

The vulnerability allows attackers to perform Cross-Site Request Forgery (CSRF) attacks on websites using the affected Booking Ultra Pro plugin version 1.1.4 and below.

Affected Systems and Versions

The vulnerability impacts websites leveraging the Booking Ultra Pro plugin version 1.1.4 and earlier on WordPress platforms.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking authenticated users into executing unintended actions on the target website through CSRF attacks.

Mitigation and Prevention

To protect your systems from the CVE-2021-36854 vulnerability, it's important to implement necessary mitigation strategies and security measures.

Immediate Steps to Take

It is recommended to update the Booking Ultra Pro plugin to a secure version beyond 1.1.4 and deploy additional security controls to prevent CSRF attacks.

Long-Term Security Practices

Regularly monitor and audit your website for any suspicious activity or unauthorized changes to mitigate CSRF vulnerabilities effectively.

Patching and Updates

Stay informed about security patches released by the plugin vendor and ensure timely installation to address known vulnerabilities and enhance website security.