CVE-2020-35121 Explained : Impact and Mitigation

An issue was discovered in the Keysight Database Connector plugin before 1.5.0 for Confluence. This vulnerability could allow a malicious user to inject arbitrary JavaScript into saved macro parameters, leading to its execution when a user views a page containing that macro.

Understanding CVE-2020-35121

What is CVE-2020-35121?

CVE-2020-35121 is a security vulnerability found in the Keysight Database Connector plugin for Confluence, allowing unauthorized JavaScript injection.

The Impact of CVE-2020-35121

The exploitation of this vulnerability could result in unauthorized execution of JavaScript code within the context of the affected Confluence instance.

Technical Details of CVE-2020-35121

Vulnerability Description

The vulnerability in the Keysight Database Connector plugin allows a malicious actor to insert and execute arbitrary JavaScript code through saved macro parameters.

Affected Systems and Versions

Product: Keysight Database Connector plugin
Vendor: Keysight
Versions affected: Before 1.5.0

Exploitation Mechanism

The vulnerability can be exploited by inserting malicious JavaScript into macro parameters, which triggers when a user accesses a page containing the compromised macro.

Mitigation and Prevention

Immediate Steps to Take

Update the Keysight Database Connector plugin to version 1.5.0 or later to mitigate the vulnerability.
Regularly monitor and review macro parameters for any suspicious or unauthorized code.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent injection attacks.
Educate users on safe macro usage and the risks associated with executing untrusted code.

Patching and Updates

Ensure timely installation of security patches and updates for all plugins and software components to address known vulnerabilities.