CVE-2020-11512 : Vulnerability Insights and Analysis

A Stored XSS vulnerability in the IMPress for IDX Broker WordPress plugin before version 2.6.2 allows authenticated attackers to execute arbitrary JavaScript, potentially leading to the creation of new administrator-level accounts.

Understanding CVE-2020-11512

This CVE involves a security issue in the IMPress for IDX Broker WordPress plugin that could be exploited by attackers with minimal permissions.

What is CVE-2020-11512?

Stored XSS vulnerability in the IMPress for IDX Broker WordPress plugin before version 2.6.2 allows authenticated attackers to inject and execute malicious JavaScript code.

The Impact of CVE-2020-11512

The vulnerability enables attackers to save arbitrary JavaScript in the plugin's settings panel, leading to potential unauthorized access and privilege escalation.

Technical Details of CVE-2020-11512

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw allows attackers with subscriber-level permissions to inject JavaScript via a specific AJAX action, potentially compromising administrator accounts.

Affected Systems and Versions

Product: IMPress for IDX Broker WordPress plugin
Versions affected: Before 2.6.2

Exploitation Mechanism

Attackers exploit the idx_update_recaptcha_key AJAX action and a crafted idx_recaptcha_site_key parameter to execute malicious JavaScript in the browser of visiting administrators.

Mitigation and Prevention

Protecting systems from CVE-2020-11512 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the IMPress for IDX Broker plugin to version 2.6.2 or later.
Monitor administrator accounts for any unauthorized changes.

Long-Term Security Practices

Regularly audit and review plugin permissions and capabilities.
Educate users on safe practices to prevent XSS attacks.
Implement security plugins to detect and prevent XSS vulnerabilities.
Stay informed about security updates and patches.
Consider security training for all users to enhance awareness.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.