CVE-2023-40983 : Security Advisory and Response

A reflected cross-site scripting (XSS) vulnerability in the File Manager function of Webmin v2.100 allows attackers to execute malicious scripts by injecting a crafted payload into the Find in Results file.

Understanding CVE-2023-40983

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2023-40983.

What is CVE-2023-40983?

CVE-2023-40983 is a reflected cross-site scripting (XSS) vulnerability found in Webmin v2.100. Attackers can exploit this vulnerability by injecting a malicious script into the Find in Results file.

The Impact of CVE-2023-40983

This vulnerability can allow attackers to execute arbitrary scripts within the context of the user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2023-40983

In this section, we delve into the vulnerability description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper input validation in the File Manager function of Webmin v2.100, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Webmin v2.100 is specifically affected by this vulnerability. Other versions or products may not be impacted.

Exploitation Mechanism

By inserting a specially crafted payload into the Find in Results file, attackers can trigger the execution of malicious scripts within the application's context.

Mitigation and Prevention

This section outlines immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to restrict access to the File Manager function in Webmin v2.100 and implement input validation mechanisms to prevent script injection.

Long-Term Security Practices

Maintaining regular security audits, educating users on safe browsing practices, and staying informed about emerging vulnerabilities are essential for long-term security.

Patching and Updates

Vendors should release patches promptly to address CVE-2023-40983. Users are encouraged to apply updates as soon as they become available to mitigate the risk of exploitation.