Popup Builder < 3.64.1 - Multiple Issues

Description

"One vulnerability allowed an unauthenticated attacker to inject malicious JavaScript into any published popup, which would then be executed whenever the popup loaded. The other vulnerability allowed any logged-in user, even those with minimal permissions such as a subscriber, to export a list of all newsletter subscribers, export system configuration information, and grant themselves access to various features of the plugin."

- Unauthenticated Stored Cross-Site Scripting (XSS)
- Authenticated Settings Modification, Configuration Disclosure, and User Data Export