Lightweight Accordion < 1.5.15 - Contributor+ Stored XSS

The plugin 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

Exploit Additional CSS class(es) for "Lightweight Accordion" Gutenberg block:
" onmouseover="alert(1)"