CVE-2021-24890 : What You Need to Know

This article provides detailed information about CVE-2021-24890, a vulnerability in the Scripts Organizer WordPress plugin version 3.0 and below.

Understanding CVE-2021-24890

This CVE revolves around the Scripts Organizer WordPress plugin version 3.0 and below, affecting unauthenticated users.

What is CVE-2021-24890?

The vulnerability in the Scripts Organizer plugin allows unauthenticated users to insert arbitrary PHP code into a file due to missing capability, CSRF checks, and user input validation.

The Impact of CVE-2021-24890

The absence of proper checks enables unauthenticated users to upload malicious PHP code, potentially leading to unauthorized access or execution of dangerous scripts.

Technical Details of CVE-2021-24890

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from the lack of capability and CSRF checks in the saveScript AJAX action, allowing unauthenticated users to upload PHP code.

Affected Systems and Versions

The vulnerability affects Scripts Organizer plugin versions prior to 3.0.

Exploitation Mechanism

Exploitation involves taking advantage of the lack of user input validation to upload arbitrary PHP code.

Mitigation and Prevention

Below are the recommended steps to mitigate the risks posed by CVE-2021-24890.

Immediate Steps to Take

Users should immediately update the Scripts Organizer plugin to version 3.0 or higher to prevent unauthorized file uploads.

Long-Term Security Practices

Implementing strict access controls, regular security audits, and educating users on safe practices can enhance overall WordPress security.

Patching and Updates

Frequent updates and monitoring for security patches from the plugin vendor are crucial to address vulnerabilities and enhance plugin security.