The Bit Assist WordPress plugin before 1.1.9 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
https://wpscan.com/vulnerability/9f2f3f85-6812-46b5-9175-c56f6852afd7