CVE-2021-24222 : Vulnerability Insights and Analysis

A detailed analysis of CVE-2021-24222, which involves the WP-Curriculo Vitae Free WordPress plugin through version 6.3 being vulnerable to an arbitrary file upload issue, leading to RCE.

Understanding CVE-2021-24222

This section provides insights into the nature and impact of the vulnerability.

What is CVE-2021-24222?

The WP-Curriculo Vitae Free WordPress plugin up to version 6.3 is affected by an arbitrary file upload vulnerability, allowing unauthenticated users to upload files with dangerous types, potentially resulting in Remote Code Execution (RCE).

The Impact of CVE-2021-24222

The vulnerability enables unauthenticated users to register and upload files (such as profile pictures and resumes) without restrictions on file extensions, creating a pathway for RCE attacks.

Technical Details of CVE-2021-24222

Explore the specific technical aspects of the CVE.

Vulnerability Description

The issue arises in the [formCadastro] where unauthenticated users can upload files, leading to RCE due to unrestricted file uploads.

Affected Systems and Versions

The vulnerability affects WP-Curriculo Vitae Free plugin versions up to 6.3.

Exploitation Mechanism

Attackers can exploit this vulnerability by registering as unauthenticated users and uploading malicious files through the formCadastro, eventually gaining control over the server.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-24222.

Immediate Steps to Take

Website administrators should immediately update the WP-Curriculo Vitae Free plugin to a secure version and restrict file upload permissions to authenticated users only.

Long-Term Security Practices

Implement regular security audits, educate users about safe file upload practices, and monitor file uploads for malicious content.

Patching and Updates

Stay informed about security patches released by the plugin vendor and promptly apply updates to mitigate potential risks.