WordPress Happy Addons for Elementor plugin <= 3.10.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Image Stack Group, Photo Stack, & Horizontal Timeline vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting via Image Stack Group, Photo Stack, & Horizontal Timeline vulnerability discovered by stealthcopter in WordPress Plugin Happy Addons for Elementor versions = 3.10.4...