CVE-2023-1928 : Security Advisory and Response

This article discusses CVE-2023-1928, a vulnerability found in the WP Fastest Cache plugin for WordPress.

Understanding CVE-2023-1928

This section provides an overview of the CVE-2023-1928 vulnerability affecting WP Fastest Cache.

What is CVE-2023-1928?

CVE-2023-1928 is a vulnerability in the WP Fastest Cache plugin for WordPress that allows authenticated attackers with subscriber-level access to manipulate data without proper authorization. This vulnerability exists in versions up to and including 1.1.2 of the plugin.

The Impact of CVE-2023-1928

The impact of CVE-2023-1928 is that it enables attackers to initiate cache creation, potentially leading to unauthorized data modification within the WordPress website using the vulnerable plugin.

Technical Details of CVE-2023-1928

Here are some technical details regarding the CVE-2023-1928 vulnerability in WP Fastest Cache:

Vulnerability Description

The vulnerability arises from a missing capability check on the

wpfc_preload_single_callback

function in affected versions of the WP Fastest Cache plugin, allowing attackers to exploit it for unauthorized data manipulation.

Affected Systems and Versions

WP Fastest Cache versions up to and including 1.1.2 are affected by CVE-2023-1928. Users with vulnerable installations are at risk of unauthorized data modification by authenticated attackers with subscriber-level access.

Exploitation Mechanism

Attackers with subscriber-level access can exploit the vulnerability by leveraging the missing capability check on the

wpfc_preload_single_callback

function to initiate cache creation and tamper with data on the WordPress site.

Mitigation and Prevention

Understanding how to mitigate and prevent the risks associated with CVE-2023-1928 is crucial for maintaining the security of WordPress websites using the WP Fastest Cache plugin.

Immediate Steps to Take

Website administrators should consider updating the WP Fastest Cache plugin to a version beyond 1.1.2 to mitigate the CVE-2023-1928 vulnerability. Additionally, monitoring user roles and access levels can help identify potentially malicious activities on the site.

Long-Term Security Practices

Implementing a robust user permission structure, adhering to principle of least privilege, and regularly reviewing and updating plugins can enhance the overall security posture of the WordPress website against similar vulnerabilities.

Patching and Updates

Stay informed about security patches and updates provided by the plugin vendor. Promptly applying patches can help address known vulnerabilities and secure the site from potential exploitation related to CVE-2023-1928.