The GeoDirectory WordPress plugin before 2.2.22 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.
https://wpscan.com/vulnerability/5ab3fc58-7d1c-4bcd-8bbd-86c62a3f979c