CVE-2022-4862 : Vulnerability Insights and Analysis

A detailed analysis of the XSS vulnerability in M-Files Web, its impact, technical details, and mitigation strategies.

Understanding CVE-2022-4862

This CVE identifies an XSS vulnerability in M-Files Web that allows an authenticated user to render HTML content, potentially leading to the theft of sensitive user information.

What is CVE-2022-4862?

The CVE-2022-4862 vulnerability allows malicious HTML content provided by an authenticated user to execute in the browser on M-Files Web versions before 22.12.12140.3, enabling the theft of user-sensitive data.

The Impact of CVE-2022-4862

The impact of CVE-2022-4862 is classified as Medium severity due to the potential exposure of sensitive information to unauthorized actors, as per CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) and CAPEC-63 (Cross-Site Scripting).

Technical Details of CVE-2022-4862

Vulnerability Description

The vulnerability in M-Files Web versions before 22.12.12140.3 allows malicious HTML content to be rendered in the browser, facilitating the theft of user-sensitive information.

Affected Systems and Versions

The affected product is M-Files New Web, with versions before 22.12.12140.3 being vulnerable to this XSS exploit.

Exploitation Mechanism

The exploitation of CVE-2022-4862 involves providing malicious HTML content as an authenticated user, which is then rendered in the M-Files Web browser, potentially compromising user data.

Mitigation and Prevention

Effective steps to address and prevent the XSS vulnerability in M-Files Web.

Immediate Steps to Take

To mitigate CVE-2022-4862, users are advised to upgrade to the patched version of M-Files to prevent the rendering of malicious HTML content and protect user-sensitive information.

Long-Term Security Practices

In the long term, organizations should prioritize regular software updates, security training for users to identify and report suspicious activities, and implement strict content security policies to prevent XSS attacks.

Patching and Updates

Regularly applying software patches and updates, especially security patches released by M-Files, is crucial to addressing vulnerabilities like CVE-2022-4862 and strengthening overall cybersecurity posture.