The Ultimate Carousel For Elementor WordPress plugin through 2.1.7 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
https://wpscan.com/vulnerability/cb7ed9e6-0fa0-4ebb-9109-8f33defc8b32