CVE-2020-8426 Explained : Impact and Mitigation

The Elementor plugin before 2.8.5 for WordPress has a reflected XSS vulnerability that can be exploited by targeting authenticated users.

Understanding CVE-2020-8426

This CVE involves a security issue in the Elementor plugin for WordPress that allows for a reflected XSS attack.

What is CVE-2020-8426?

The Elementor plugin before version 2.8.5 for WordPress is susceptible to a reflected XSS vulnerability on the elementor-system-info page. This vulnerability can be exploited by specifically targeting authenticated users.

The Impact of CVE-2020-8426

Exploiting this vulnerability can lead to unauthorized access to sensitive information, manipulation of content, and potential compromise of the affected WordPress site.

Technical Details of CVE-2020-8426

This section provides more in-depth technical details about the CVE.

Vulnerability Description

The vulnerability in the Elementor plugin allows attackers to inject malicious scripts into the elementor-system-info page, potentially leading to XSS attacks.

Affected Systems and Versions

Product: Elementor plugin
Vendor: Elementor
Versions affected: Before 2.8.5

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious URLs or forms that, when clicked or submitted by authenticated users, execute unauthorized scripts within the context of the user's session.

Mitigation and Prevention

Protecting systems from CVE-2020-8426 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Elementor plugin to version 2.8.5 or newer to mitigate the vulnerability.
Educate users about the risks of clicking on unknown links or submitting forms from untrusted sources.

Long-Term Security Practices

Regularly monitor and audit plugins and themes for security vulnerabilities.
Implement web application firewalls and security plugins to enhance overall website security.

Patching and Updates

Stay informed about security updates for WordPress plugins and promptly apply patches to address known vulnerabilities.