CVE-2021-24428 : Security Advisory and Response

RSS for Yandex Turbo WordPress plugin version 1.30 and below is vulnerable to an Authenticated Stored Cross-Site Scripting (XSS) issue. Read on to understand the impact, technical details, and mitigation steps.

Understanding CVE-2021-24428

This CVE involves an XSS vulnerability in the RSS for Yandex Turbo WordPress plugin up to version 1.30.

What is CVE-2021-24428?

The plugin fails to properly sanitize and escape certain settings before displaying them in the admin panel, allowing for an Authenticated Stored XSS attack even if the unfiltered_html capability is disabled.

The Impact of CVE-2021-24428

Exploitation of this vulnerability could lead to attackers injecting malicious scripts into the plugin settings, potentially affecting all users with access to the admin dashboard.

Technical Details of CVE-2021-24428

Learn more about the specifics of this vulnerability.

Vulnerability Description

The RSS for Yandex Turbo WordPress plugin version 1.30 and below does not adequately sanitize user input, opening the door to malicious script injections.

Affected Systems and Versions

Versions up to and including 1.30 of the RSS for Yandex Turbo plugin are affected by this XSS vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating certain plugin settings and injecting harmful scripts through the admin dashboard.

Mitigation and Prevention

Discover the steps to secure your WordPress environment against CVE-2021-24428.

Immediate Steps to Take

Update the plugin to the latest version to patch the vulnerability.
Regularly review and sanitize user input within the plugin settings.

Long-Term Security Practices

Enforce the principle of least privilege for admin dashboard access.
Educate users on detecting and avoiding social engineering attacks through plugins.

Patching and Updates

Stay informed about plugin updates and security patches to promptly address any known vulnerabilities.