CVE-2021-40840 : What You Need to Know

A Stored XSS issue exists in the admin/users user administration form in LiveConfig 2.12.2.

Understanding CVE-2021-40840

A Stored XSS vulnerability affecting LiveConfig 2.12.2.

What is CVE-2021-40840?

This CVE describes a Stored XSS vulnerability found in the admin/users user administration form within LiveConfig 2.12.2.

The Impact of CVE-2021-40840

This vulnerability could allow an attacker to execute malicious scripts in the context of an admin user, potentially leading to unauthorized actions.

Technical Details of CVE-2021-40840

Details about the vulnerability in LiveConfig 2.12.2.

Vulnerability Description

Type: Stored XSS
Affected Component: admin/users user administration form
Version: LiveConfig 2.12.2

Affected Systems and Versions

Affected Version: LiveConfig 2.12.2
Previous versions may also be impacted but not specified.

Exploitation Mechanism

Attacker injects malicious scripts through the user administration form.
Scripts execute in the context of an admin user.

Mitigation and Prevention

Measures to address the CVE-2021-40840 vulnerability.

Immediate Steps to Take

Update LiveConfig to the latest patched version.
Implement input validation to prevent script injection.
Regularly monitor and review user administration activities.

Long-Term Security Practices

Educate users on safe browsing practices.
Conduct regular security audits and penetration testing.
Stay informed about software vulnerabilities and updates.

Patching and Updates

Check for and apply updates from LiveConfig promptly.
Subscribe to security advisories from LiveConfig and related sources.