CVE-2022-0424

The Popup by Supsystic WordPress plugin before 1.10.9 does not have any authentication and authorisation in an AJAX action, allowing unauthenticated attackers to call it and get the email addresses of subscribed users

CVE-2017-20065

A vulnerability was found in Supsystic Popup Plugin 1.7.6 and classified as problematic. This issue affects some unknown processing. The manipulation leads to cross-site request forgery. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.