The AGCA WordPress plugin before 7.2.2 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/d2588b47-a518-4cb2-a557-2c7eaffa17e4/