The MapPress Maps for WordPress plugin before 2.93 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/d8b0ddd8-0380-4185-aa00-8437e2b617ad/