The GeoDirectory WordPress plugin before 2.8.110 does not sanitise and escape a place-category setting before outputting it back in an admin page, allowing high-privilege users such as editors and above to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in a multisite setup).
https://wpscan.com/vulnerability/bb6daced-3ee3-4ec7-a221-9981cd85285a/