The Floating Notification Bar, Sticky Menu on Scroll, Announcement Banner, and Sticky Header for Any WordPress plugin before 2.7.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
https://wpscan.com/vulnerability/aedcb986-0f2b-4852-baf1-6cb61e83e109/