The Ditty WordPress plugin before 3.1.36 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/80a9eb3a-2cb1-4844-9004-ba2554b2d46c/