CVE-2023-34369 : Exploit Details and Defense Strategies

WordPress Login Configurator Plugin 2.1 is vulnerable to a stored Cross-Site Scripting (XSS) attack affecting admin+ users.

Understanding CVE-2023-34369

This CVE identifies a stored XSS vulnerability in the GrandSlambert Login Configurator plugin affecting versions equal to or less than 2.1. The impact is classified as 'LOW' in terms of confidentiality, integrity, and availability.

What is CVE-2023-34369?

The CVE-2023-34369 vulnerability refers to a stored Cross-Site Scripting attack in the GrandSlambert Login Configurator plugin version 2.1 or below. This vulnerability allows attackers with admin+ privileges to inject malicious scripts, potentially leading to data theft or unauthorized actions.

The Impact of CVE-2023-34369

The impact of CVE-2023-34369 is classified as 'MEDIUM,' with a CVSS base score of 5.9. Attackers with high privileges can exploit this vulnerability to alter the behavior of the plugin, impacting the confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2023-34369

This section provides insights into the vulnerability's description, affected systems, and how exploitation can occur.

Vulnerability Description

The stored XSS vulnerability in the GrandSlambert Login Configurator plugin version 2.1 or earlier allows attackers to store malicious scripts that are executed in the context of an admin+ user, leading to potential data manipulation and unauthorized actions.

Affected Systems and Versions

The vulnerability impacts GrandSlambert Login Configurator plugin versions equal to or less than 2.1. Users with admin+ privileges are particularly vulnerable to exploitation of this security flaw.

Exploitation Mechanism

By leveraging the stored XSS vulnerability in the Login Configurator plugin, attackers can inject malicious scripts that get executed when an admin+ user interacts with the affected plugin. This can result in the execution of unauthorized actions or data theft.

Mitigation and Prevention

To safeguard your systems from the CVE-2023-34369 vulnerability, follow these mitigation strategies:

Immediate Steps to Take

Update the GrandSlambert Login Configurator plugin to a version that addresses the XSS vulnerability.
Implement strict input validation to prevent malicious scripts from being stored by users.

Long-Term Security Practices

Regularly monitor security advisories for updates on vulnerabilities in WordPress plugins.
Educate users on safe practices to prevent unauthorized actions through XSS attacks.

Patching and Updates

Stay informed about security patches released by GrandSlambert for the Login Configurator plugin. Install updates promptly to mitigate the risk of exploitation.