CVE-2023-28875 : What You Need to Know

A Stored XSS vulnerability in shared files download terms in Filerun Update 20220202 enables attackers to insert malicious JavaScript code, which is executed when a user clicks on a specifically crafted share link.

Understanding CVE-2023-28875

This section will delve into the details of CVE-2023-28875, shedding light on what it entails and its potential impacts.

What is CVE-2023-28875?

CVE-2023-28875 refers to a Stored Cross-Site Scripting (XSS) issue discovered in Filerun Update 20220202. This vulnerability allows malicious actors to implant JavaScript code in shared files' download terms, triggering its execution once a user accesses the compromised share link.

The Impact of CVE-2023-28875

The exploitation of this vulnerability could lead to unauthorized access to sensitive information, compromised user accounts, and potential escalation to more severe attacks within the affected system.

Technical Details of CVE-2023-28875

In this section, we will explore the technical aspects of the CVE-2023-28875 vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from inadequate input validation and sanitization in the shared files download terms feature of Filerun Update 20220202, allowing threat actors to embed and execute malicious JavaScript code.

Affected Systems and Versions

The Stored XSS issue impacts Filerun Update 20220202. As per the available data, the specific affected vendor, product, and versions are marked as "n/a," indicating a broader potential impact across various configurations.

Exploitation Mechanism

Attackers can exploit CVE-2023-28875 by injecting crafted JavaScript code into the shared files download terms section. Subsequently, when a user accesses the compromised share link, the injected code gets executed within the user's browser context.

Mitigation and Prevention

In addressing CVE-2023-28875, proactive steps need to be taken to mitigate risks and prevent further exploitation of the vulnerability.

Immediate Steps to Take

Implement strict input validation and output encoding mechanisms to prevent XSS attacks.
Regularly update Filerun to the latest patched version to mitigate the vulnerability.

Long-Term Security Practices

Conduct regular security audits and assessments to identify and address potential vulnerabilities.
Educate users on safe browsing practices and the risks associated with clicking on unverified links.

Patching and Updates

Ensure prompt installation of security patches released by Filerun to address CVE-2023-28875. Stay informed about security advisories and best practices for securing shared files and user interactions.