The HT Event – WordPress Event Manager Plugin for Elementor plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.4.7 via the 'render' function in /includes/widgets/htevent_sponsor.php. This makes it possible for authenticated attackers, with Contributor-level access and above, to extract sensitive private, pending, scheduled, and draft template data.
https://plugins.trac.wordpress.org/browser/ht-event/trunk/includes/widgets/htevent_sponsor.php#L443