Cross-Site Request Forgery (CSRF) vulnerability in Event Espresso Event Espresso 4 Decaf allows Cross Site Request Forgery.This issue affects Event Espresso 4 Decaf: from n/a through 5.0.28.decaf.

Missing Authorization vulnerability in Event Espresso Event Espresso 4 Decaf allows Functionality Misuse.This issue affects Event Espresso 4 Decaf: from n/a through 4.10.44.Decaf.

The Event Espresso 4 Decaf plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.10.11. This is due to missing or incorrect nonce validation on the ajaxHandler() function. This makes it possible for unauthenticated attackers to op into notifications via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.