CVE-2023-23788 : Security Advisory and Response

This CVE-2023-23788 article provides detailed information about a specific vulnerability in the WordPress Custom More Link Complete Plugin version 1.4.1.

Understanding CVE-2023-23788

This section delves into the specifics of CVE-2023-23788, focusing on what the vulnerability entails and its potential impact.

What is CVE-2023-23788?

CVE-2023-23788 refers to an authenticated (admin+) stored Cross-Site Scripting (XSS) vulnerability found in the Custom More Link Complete plugin by Florin Arjocu. This vulnerability affects versions equal to or below 1.4.1.

The Impact of CVE-2023-23788

The impact of CVE-2023-23788 is categorized under CAPEC-592 Stored XSS. This vulnerability could potentially allow an attacker to execute malicious scripts within the context of the affected WordPress site, leading to various security risks.

Technical Details of CVE-2023-23788

In this section, we will explore the technical aspects of CVE-2023-23788, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in question allows an authenticated user (admin+) to store malicious scripts within the plugin, which can then be executed in the context of the site, posing a significant security risk.

Affected Systems and Versions

The vulnerability affects the Custom More Link Complete plugin by Florin Arjocu, specifically versions equal to or below 1.4.1.

Exploitation Mechanism

To exploit this vulnerability, an attacker would need high privileges (admin+ access) to store and execute malicious scripts within the plugin, potentially leading to unauthorized actions on the affected WordPress site.

Mitigation and Prevention

This section focuses on the steps that can be taken to mitigate the risks associated with CVE-2023-23788 and prevent potential exploits.

Immediate Steps to Take

It is recommended to update the Custom More Link Complete plugin to a secure version (above 1.4.1) to eliminate the vulnerability. Additionally, audit the site for any unauthorized script insertions and monitor for any suspicious activities.

Long-Term Security Practices

Implement regular security audits, educate users about secure practices, and maintain a proactive approach to security updates and patch management to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates from plugin vendors, promptly apply patches or updates to vulnerable plugins, and ensure that all security measures are up to date to bolster the overall security posture of your WordPress site.