CVE-2021-24214 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-24214, a vulnerability in the OpenID Connect Generic Client WordPress plugin.

Understanding CVE-2021-24214

This section provides insights into the OpenID Connect Generic Client plugin vulnerability.

What is CVE-2021-24214?

The OpenID Connect Generic Client WordPress plugin versions 3.8.0 and 3.8.1 are susceptible to a reflected Cross-Site Scripting (XSS) issue due to inadequate sanitization of the login error displayed in the login form.

The Impact of CVE-2021-24214

This vulnerability does not require authentication and can be exploited with default plugin configurations, potentially leading to XSS attacks.

Technical Details of CVE-2021-24214

Explore the technical specifics of the CVE-2021-24214 vulnerability.

Vulnerability Description

The flaw arises from unfiltered user input in the login error message, making it possible for malicious actors to inject and execute arbitrary script code.

Affected Systems and Versions

The versions affected include OpenID Connect Generic Client plugin 3.8.0 and 3.8.1.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious login error message to execute XSS attacks.

Mitigation and Prevention

Discover strategies to mitigate and prevent the CVE-2021-24214 vulnerability.

Immediate Steps to Take

Website administrators are advised to update the plugin to version 3.8.2 or higher to patch the XSS vulnerability.

Long-Term Security Practices

Regularly monitor and update plugins, employ input validation mechanisms, and conduct security audits to prevent XSS vulnerabilities.

Patching and Updates

Stay proactive in applying security patches and updates to ensure protection against known vulnerabilities.