CVE-2021-34637 : Vulnerability Insights and Analysis

A detailed overview of the CVE-2021-34637 vulnerability affecting Post Index WordPress plugin up to version 0.7.5

Understanding CVE-2021-34637

This section provides insight into the Post Index WordPress plugin vulnerability and its implications.

What is CVE-2021-34637?

The Post Index WordPress plugin is vulnerable to Cross-Site Request Forgery (CSRF) through the OptionsPage function in the ~/php/settings.php file, allowing attackers to inject arbitrary web scripts in versions up to and including 0.7.5.

The Impact of CVE-2021-34637

CVE-2021-34637 poses a high risk with a CVSS base score of 8.8, impacting confidentiality, integrity, and availability. Attackers can exploit this vulnerability remotely without the need for privileges.

Technical Details of CVE-2021-34637

This section delves into the specifics of the CVE-2021-34637 vulnerability.

Vulnerability Description

The vulnerability allows attackers to perform Cross-Site Request Forgery attacks, leading to the injection of malicious scripts.

Affected Systems and Versions

Post Index plugin versions up to and including 0.7.5 are affected by this vulnerability.

Exploitation Mechanism

Attackers exploit the OptionsPage function in the ~/php/settings.php file to execute Cross-Site Request Forgery attacks.

Mitigation and Prevention

Learn how to protect your system from CVE-2021-34637 with effective mitigation strategies.

Immediate Steps to Take

Uninstall the Post Index plugin from your WordPress site to mitigate the vulnerability.

Long-Term Security Practices

Regularly update and monitor plugins, employ strong authentication mechanisms, and conduct security audits to enhance your system's security posture.

Patching and Updates

Stay informed about security patches and updates released by the plugin vendor to address vulnerabilities and enhance plugin security.