CVE-2021-36888 : Security Advisory and Response

A vulnerability has been discovered in the Image Hover Effects Ultimate WordPress plugin version <= 9.6.1, allowing unauthenticated attackers to perform Arbitrary Options Update, leading to a complete website compromise.

Understanding CVE-2021-36888

This CVE identifies a critical vulnerability in the Image Hover Effects Ultimate WordPress plugin that can result in a full website compromise if exploited.

What is CVE-2021-36888?

CVE-2021-36888 is an Unauthenticated Arbitrary Options Update vulnerability found in Image Hover Effects Ultimate WordPress plugin versions <= 9.6.1. The flaw could be exploited by attackers to compromise the entire website.

The Impact of CVE-2021-36888

With a CVSS base score of 9.8 and a critical severity level, this vulnerability has a high impact. Attackers can exploit it to gain full control over the affected website, compromising confidentiality, integrity, and availability.

Technical Details of CVE-2021-36888

This section will delve into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability allows unauthenticated attackers to perform Arbitrary Options Update, resulting in full website compromise.

Affected Systems and Versions

The issue affects Image Hover Effects Ultimate WordPress plugin versions <= 9.6.1.

Exploitation Mechanism

By exploiting this vulnerability, attackers can update arbitrary options without authentication, leading to a complete compromise.

Mitigation and Prevention

Protecting systems from CVE-2021-36888 is crucial to prevent potential exploitation and damage.

Immediate Steps to Take

Users should update the plugin to version 9.6.2 or higher to mitigate the vulnerability.

Long-Term Security Practices

Regularly update plugins and maintain strong authentication mechanisms to enhance overall WordPress security.

Patching and Updates

Stay informed about security updates and apply patches promptly to safeguard against known vulnerabilities.