CVE-2020-13864 : Exploit Details and Defense Strategies

Elementor Page Builder plugin before 2.9.9 for WordPress has a stored XSS vulnerability that allows an author user to create posts with malicious payloads.

Understanding CVE-2020-13864

This CVE involves a security issue in the Elementor Page Builder plugin for WordPress, enabling stored XSS attacks.

What is CVE-2020-13864?

The Elementor Page Builder plugin before version 2.9.9 in WordPress is susceptible to a stored XSS vulnerability. This flaw permits an author user to insert crafted payloads in custom links, leading to stored XSS attacks.

The Impact of CVE-2020-13864

The vulnerability allows attackers to execute malicious scripts in the context of a user's session, potentially compromising sensitive data or performing unauthorized actions.

Technical Details of CVE-2020-13864

The following technical aspects are associated with CVE-2020-13864:

Vulnerability Description

Stored XSS vulnerability in Elementor Page Builder plugin before 2.9.9 for WordPress

Affected Systems and Versions

Product: Elementor Page Builder
Vendor: Elementor
Versions affected: All versions before 2.9.9

Exploitation Mechanism

An author user can exploit the vulnerability by inserting a malicious payload in custom links within posts.

Mitigation and Prevention

Protect your systems from CVE-2020-13864 with the following measures:

Immediate Steps to Take

Update Elementor Page Builder plugin to version 2.9.9 or later.
Monitor and restrict user permissions to prevent unauthorized actions.

Long-Term Security Practices

Regularly update all plugins and themes to patch security vulnerabilities.
Educate users on safe practices to avoid falling victim to XSS attacks.
Implement security plugins or web application firewalls to enhance protection.

Patching and Updates

Stay informed about security updates for WordPress plugins and promptly apply patches to mitigate risks.