CVE-2021-35506 Explained : Impact and Mitigation

Afian FileRun 2021.03.26 is vulnerable to a cross-site scripting (XSS) attack. An attacker can trigger XSS by crafting a malicious document and tricking an administrator into previewing or editing it using the HTML Editor.

Understanding CVE-2021-35506

This section delves into the details of the CVE-2021-35506 vulnerability.

What is CVE-2021-35506?

CVE-2021-35506 refers to a security flaw in Afian FileRun 2021.03.26 that enables an XSS attack. The vulnerability arises when an administrator interacts with a specially crafted document in the HTML Editor.

The Impact of CVE-2021-35506

Exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser. This can lead to unauthorized access, sensitive information theft, or further attacks within the organization.

Technical Details of CVE-2021-35506

This section outlines the technical aspects of the CVE-2021-35506 vulnerability.

Vulnerability Description

Afian FileRun 2021.03.26 is susceptible to XSS attacks triggered by specially crafted documents encountered in the HTML Editor, giving malicious actors the ability to execute arbitrary scripts.

Affected Systems and Versions

The vulnerability affects Afian FileRun version 2021.03.26. Users of this version are at risk of exploitation if administrators unknowingly engage with malicious documents.

Exploitation Mechanism

To exploit CVE-2021-35506, threat actors craft deceptive documents and deceive administrators into previewing or editing them within the FileRun HTML Editor, enabling the execution of malicious scripts.

Mitigation and Prevention

In this section, we cover the steps to mitigate the CVE-2021-35506 vulnerability.

Immediate Steps to Take

Administrators should refrain from interacting with untrusted or suspicious documents via the HTML Editor. It is advisable to sanitize user inputs and implement content security policies to mitigate XSS risks.

Long-Term Security Practices

Regular security training for administrators is essential to enhance awareness of phishing tactics and malicious document handling. Employing web application firewalls and security tools can also bolster defenses against XSS attacks.

Patching and Updates

Users should update Afian FileRun to the latest version promptly. Ensure that all software components, including plugins and extensions, are up to date to address known vulnerabilities and enhance overall security.