CVE-2023-43875 : What You Need to Know

A deep dive into the Multiple Cross-Site Scripting (XSS) vulnerabilities in the installation of Subrion CMS v.4.2.1, allowing attackers to execute arbitrary web scripts.

Understanding CVE-2023-43875

In this section, we will explore the details of the CVE-2023-43875 vulnerability affecting Subrion CMS v.4.2.1.

What is CVE-2023-43875?

The CVE-2023-43875 involves Multiple Cross-Site Scripting (XSS) vulnerabilities that can be exploited by a local attacker through specially crafted payloads injected into specific parameters during the installation of Subrion CMS v.4.2.1. This could lead to the execution of arbitrary web scripts.

The Impact of CVE-2023-43875

The impact of CVE-2023-43875 is significant as it allows attackers to inject malicious scripts, potentially leading to unauthorized access, data theft, or further exploitation of the vulnerable system.

Technical Details of CVE-2023-43875

This section will delve into the technical aspects of the CVE-2023-43875 vulnerability.

Vulnerability Description

The vulnerability arises due to inadequate input validation during the installation process of Subrion CMS v.4.2.1, enabling attackers to insert malicious scripts into parameters like dbhost, dbname, dbuser, adminusername, and adminemail.

Affected Systems and Versions

The vulnerability affects installations of Subrion CMS version 4.2.1. Other versions may not be impacted.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting specially crafted payloads into the vulnerable parameters mentioned above, triggering the execution of malicious scripts.

Mitigation and Prevention

In this section, we will discuss how to mitigate and prevent exploitation of CVE-2023-43875.

Immediate Steps to Take

Disable installation of Subrion CMS v.4.2.1 until a patch is available.
Implement strict input validation mechanisms to sanitize user inputs during the installation process.

Long-Term Security Practices

Regular security assessments and audits of web applications for vulnerabilities.
Stay updated with security advisories and patches released by Subrion CMS.

Patching and Updates

Apply the latest patches and updates provided by Subrion CMS to address the CVE-2023-43875 vulnerability and enhance the overall security posture of the installation.