Custom Widget Classes <= 1.1 - Cross-Site Request Forgery to Stored Cross-Site Scripting
EntreBase Advisory: The Custom Widget Classes plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Read more about this vulnerability: https://www.wordfence.com/threat-intel/vulnerabilities/id/a1f2925e-033e-46aa-9a61-bddc0f350d5c?source=api-prod
