The Bulk Me Now! WordPress plugin through 2.0 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/8f30a37e-b9d0-467b-a0e3-20dc0a9f2b61/