CVE-2020-4052 : Vulnerability Insights and Analysis

Wiki.js before 2.4.107 is vulnerable to stored cross-site scripting through template injection. An attacker can execute malicious JavaScript by creating a crafted wiki page.

Understanding CVE-2020-4052

In Wiki.js before version 2.4.107, a stored cross-site scripting vulnerability exists due to insecure validation mechanisms, allowing attackers to execute malicious scripts.

What is CVE-2020-4052?

This CVE refers to a stored cross-site scripting vulnerability in Wiki.js before version 2.4.107, enabling attackers to inject and execute malicious JavaScript code.

The Impact of CVE-2020-4052

The vulnerability allows an attacker to stage a stored cross-site scripting attack by creating a malicious wiki page, potentially leading to the execution of harmful scripts when viewed by other users.

Technical Details of CVE-2020-4052

Wiki.js vulnerability details and affected systems.

Vulnerability Description

The vulnerability in Wiki.js before 2.4.107 allows stored cross-site scripting through template injection, enabling the execution of malicious JavaScript.

Affected Systems and Versions

Product: Wiki.js
Vendor: Requarks.io
Versions Affected: < 2.4.107

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
CVSS Base Score: 6.3 (Medium)

Mitigation and Prevention

Protecting systems from CVE-2020-4052.

Immediate Steps to Take

Update Wiki.js to version 2.4.107 or later to patch the vulnerability.
Educate users on safe browsing practices to avoid executing malicious scripts.

Long-Term Security Practices

Regularly monitor and update software to address security vulnerabilities promptly.
Implement content security policies to mitigate cross-site scripting risks.

Patching and Updates

Apply security patches and updates provided by Requarks.io to ensure system security.