CVE-2021-24443 : Security Advisory and Response

This article provides details about CVE-2021-24443, a vulnerability found in the Youzify plugin for WordPress.

Understanding CVE-2021-24443

This CVE involves a Stored Cross-Site Scripting (XSS) vulnerability in the Biography field of the Youzify WordPress plugin.

What is CVE-2021-24443?

The About Me widget of the Youzify plugin before version 1.0.7 does not properly sanitize the Biography field, allowing authenticated users to inject malicious scripts. This can lead to unauthorized access to the admin side of the blog.

The Impact of CVE-2021-24443

The vulnerability permits low-privileged users to execute XSS payloads, potentially compromising user profiles and introducing unauthorized access to the admin panel.

Technical Details of CVE-2021-24443

This section outlines the specifics of the vulnerability.

Vulnerability Description

The vulnerability arises due to improper sanitization of user inputs in the Biography field, enabling attackers to inject XSS payloads.

Affected Systems and Versions

Affected Product: Youzify – BuddyPress Community, User Profile, Social Network & Membership Plugin for WordPress
Vendor: Unknown
Affected Version: < 1.0.7

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting XSS payloads into the Biography field and then enticing an admin to view the affected user profile.

Mitigation and Prevention

Protect your systems by following these security measures.

Immediate Steps to Take

Upgrade to version 1.0.7 or above of the Youzify plugin to mitigate the vulnerability.
Avoid viewing profiles of untrusted users or accounts.

Long-Term Security Practices

Regularly update plugins and software to prevent security vulnerabilities.
Educate users about the risks of interacting with untrusted content.

Patching and Updates

Stay informed about security updates released by the plugin vendor and apply patches promptly to ensure system security.