CVE-2021-24917 : Vulnerability Insights and Analysis

A detailed overview of the WPS Hide Login vulnerability allowing protection bypass with the Referer-Header.

Understanding CVE-2021-24917

This CVE describes a security vulnerability in the WPS Hide Login WordPress plugin that affects versions prior to 1.9.1.

What is CVE-2021-24917?

The WPS Hide Login plugin before version 1.9.1 contains a bug that enables access to the secret login page by manipulating the Referer header and sending a request to /wp-admin/options.php as an unauthorized user.

The Impact of CVE-2021-24917

Exploitation of this vulnerability could lead to unauthorized access to sensitive login pages, potentially compromising the security of WordPress websites.

Technical Details of CVE-2021-24917

This section covers key technical aspects of the CVE.

Vulnerability Description

The vulnerability in WPS Hide Login allows attackers to bypass security measures by spoofing the Referer header, gaining access to the protected login page.

Affected Systems and Versions

The issue impacts versions of WPS Hide Login prior to 1.9.1, leaving installations vulnerable to exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by setting a random Referer string and making a specific request to /wp-admin/options.php, circumventing the intended security controls.

Mitigation and Prevention

Learn how to address and prevent this security flaw.

Immediate Steps to Take

Website administrators should update the WPS Hide Login plugin to version 1.9.1 or newer to mitigate the vulnerability and enhance security.

Long-Term Security Practices

Regularly updating plugins, monitoring for unauthorized access attempts, and implementing strong passwords can enhance the security posture of WordPress sites.

Patching and Updates

Stay informed about security patches and updates released by plugin developers to address known vulnerabilities and protect your WordPress site from potential threats.