CVE-2020-13642 : Vulnerability Insights and Analysis

An issue was discovered in the SiteOrigin Page Builder plugin before 2.10.16 for WordPress. The vulnerability allowed for requests to be forged on behalf of an administrator and execution of malicious JavaScript in the victim's browser.

Understanding CVE-2020-13642

This CVE involves a security vulnerability in the SiteOrigin Page Builder plugin for WordPress.

What is CVE-2020-13642?

The vulnerability in the SiteOrigin Page Builder plugin allowed unauthorized requests and execution of malicious scripts, posing a significant security risk.

The Impact of CVE-2020-13642

The vulnerability had a high impact on confidentiality, integrity, and availability, with a CVSS base score of 8.8, indicating a severe threat.

Technical Details of CVE-2020-13642

This section provides detailed technical information about the CVE.

Vulnerability Description

The issue stemmed from the action_builder_content function lacking nonce verification, enabling request forgery and execution of malicious JavaScript via the panels_data $_POST variable.

Affected Systems and Versions

Product: SiteOrigin Page Builder plugin
Vendor: SiteOrigin
Versions affected: Before 2.10.16

Exploitation Mechanism

The vulnerability could be exploited remotely with low complexity, requiring no privileges, and user interaction was necessary for successful exploitation.

Mitigation and Prevention

Protecting systems from CVE-2020-13642 is crucial to maintaining security.

Immediate Steps to Take

Update the SiteOrigin Page Builder plugin to version 2.10.16 or newer.
Monitor for any unauthorized access or suspicious activities.

Long-Term Security Practices

Implement strict input validation and output encoding in web applications.
Regularly audit and update plugins and software to address security vulnerabilities.

Patching and Updates

Stay informed about security patches and updates for all installed plugins and software.
Apply patches promptly to mitigate known vulnerabilities.