Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Smart Widgets Better Post & Filter Widgets for Elementor better-post-filter-widgets-for-elementor allows Stored XSS.This issue affects Better Post & Filter Widgets for Elementor: from n/a through 1.9.1.
Update the WordPress Better Post & Filter Widgets for Elementor plugin to the latest available version (at least 1.9.2).