CVE-2023-23883 : Security Advisory and Response

This is a detailed overview of CVE-2023-23883 focusing on the vulnerability found in WordPress WP Content Filter plugin.

Understanding CVE-2023-23883

CVE-2023-23883 is a vulnerability identified in the WP Content Filter plugin for WordPress, specifically affecting versions up to 3.0.1. This vulnerability allows for Authenticated (admin+) Stored Cross-Site Scripting (XSS) exploitation.

What is CVE-2023-23883?

The CVE-2023-23883 vulnerability involves an Authenticated Stored Cross-Site Scripting (XSS) threat in the David Gwyer WP Content Filter plugin, affecting versions equal to or lower than 3.0.1.

The Impact of CVE-2023-23883

The impact of this vulnerability is classified as CAPEC-592 Stored XSS. It poses a medium severity risk with a base score of 5.9 according to the CVSS v3.1 metrics.

Technical Details of CVE-2023-23883

This section delves into the technical aspects of the CVE-2023-23883 vulnerability, including the description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability allows malicious actors with elevated privileges (admin+) to store and execute malicious scripts (XSS) within the WP Content Filter plugin, potentially impacting website security and integrity.

Affected Systems and Versions

The affected system is the WordPress WP Content Filter plugin, specifically versions up to and including 3.0.1. Users utilizing these versions are at risk of exploitation.

Exploitation Mechanism

Exploitation of this vulnerability requires high privileges (admin+) within the WordPress environment. Attackers could inject malicious scripts through the plugin, leading to potential XSS attacks.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-23883, immediate actions, long-term security practices, and the importance of patching and updates are critical.

Immediate Steps to Take

Administrators should ensure they are running the latest patched version of the WP Content Filter plugin. Regular security audits and monitoring for malicious activities can help detect and prevent potential attacks.

Long-Term Security Practices

Implementing least privilege access, regular security training for users, and continuous monitoring of plugins for vulnerabilities can enhance overall security posture and reduce the likelihood of future exploitation.

Patching and Updates

Regularly updating and patching the WP Content Filter plugin to the latest secure version is crucial to address known vulnerabilities and protect against potential security threats. Users should stay informed about security updates from the plugin developer.