CVE-2020-35937 : Vulnerability Insights and Analysis

Stored Cross-Site Scripting (XSS) vulnerabilities in the Team Showcase plugin before 1.22.16 for WordPress allow remote authenticated attackers to import layouts including JavaScript supplied via a remotely hosted crafted payload in the source parameter via AJAX. The action must be set to team_import_xml_layouts.

Understanding CVE-2020-35937

This CVE involves a Stored Cross-Site Scripting (XSS) vulnerability in the Team Showcase plugin for WordPress.

What is CVE-2020-35937?

The vulnerability allows remote authenticated attackers to import layouts with malicious JavaScript via a crafted payload in the source parameter using AJAX.

The Impact of CVE-2020-35937

CVSS Base Score: 7.5 (High)
Severity: High
Attack Vector: Network
Confidentiality, Integrity, and Availability Impact: High
Privileges Required: Low
User Interaction: None

Technical Details of CVE-2020-35937

The technical details of the vulnerability.

Vulnerability Description

The vulnerability allows attackers to execute malicious JavaScript code by importing layouts in the Team Showcase plugin.

Affected Systems and Versions

Affected Version: Before 1.22.16

Exploitation Mechanism

Attackers can exploit this vulnerability by supplying JavaScript in a crafted payload in the source parameter via AJAX.

Mitigation and Prevention

Ways to mitigate and prevent exploitation of CVE-2020-35937.

Immediate Steps to Take

Update the Team Showcase plugin to version 1.22.16 or newer.
Monitor for any suspicious activities related to layout imports.

Long-Term Security Practices

Regularly update all plugins and themes to their latest versions.
Implement security best practices for WordPress websites.

Patching and Updates

Apply security patches promptly to all WordPress plugins and themes to prevent XSS vulnerabilities.