The FancyPost – Best Ultimate Post Block, Post Grid, Layouts, Carousel, Slider For Gutenberg & Elementor plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the handle_block_shortcode_export() function in all versions up to, and including, 6.0.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to export shortcodes.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Pluginic FancyPost – Best Ultimate Post Block, Post Grid, Layouts, Carousel, Slider For Gutenberg & Elementor allows Stored XSS.This issue affects FancyPost – Best Ultimate Post Block, Post Grid, Layouts, Carousel, Slider For Gutenberg & Elementor: from n/a through 5.3.1.