The AFI WordPress plugin before 1.100.0 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/512721cb-e544-4d26-87ca-43d83e77f8e4/