CVE-2023-47098 : Security Advisory and Response

A Stored Cross-Site Scripting (XSS) vulnerability in the Manage Extra Admins under Administration Options in Virtualmin 7.7 allows remote attackers to inject arbitrary web script or HTML via the real name or description field.

Understanding CVE-2023-47098

This section will provide insights into the nature and impact of the CVE-2023-47098 vulnerability.

What is CVE-2023-47098?

CVE-2023-47098 is a Stored Cross-Site Scripting (XSS) vulnerability found in Virtualmin 7.7, specifically in the Manage Extra Admins section under Administration Options. This vulnerability enables malicious actors to inject unauthorized web script or HTML code through the real name or description field.

The Impact of CVE-2023-47098

The exploitation of this vulnerability can lead to unauthorized access, data theft, and the execution of malicious scripts on the affected system. It poses a significant risk to the confidentiality and integrity of the system and its data.

Technical Details of CVE-2023-47098

Explore the technical aspects of CVE-2023-47098 to better understand its implications and potential risks.

Vulnerability Description

The vulnerability arises due to insufficient input validation in the Manage Extra Admins feature of Virtualmin 7.7, allowing attackers to embed malicious scripts within user-inputted data.

Affected Systems and Versions

The XSS vulnerability affects Virtualmin 7.7 installations, exposing systems that have the Manage Extra Admins functionality enabled to potential exploitation.

Exploitation Mechanism

Remote attackers can exploit the CVE-2023-47098 vulnerability by crafting malicious input containing script or HTML code, which, when processed by the affected application, leads to the execution of unauthorized actions.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2023-47098 and safeguard your systems from exploitation.

Immediate Steps to Take

Disable or restrict access to the Manage Extra Admins feature in Virtualmin 7.7 until a patch is available.
Regularly monitor system logs for any suspicious activity indicating potential exploitation attempts.

Long-Term Security Practices

Implement secure coding practices, including input validation and output encoding, to prevent XSS vulnerabilities in web applications.
Conduct regular security audits and penetration testing to identify and remediate potential security gaps.

Patching and Updates

Stay informed about security updates released by Virtualmin for CVE-2023-47098. Timely application of patches is crucial to address the vulnerability and enhance system security.