The Bootstrap Shortcodes WordPress plugin through 3.4.0 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
https://wpscan.com/vulnerability/b4c53bef-e868-46f1-965d-720b5b9a931e