The Seriously Simple Podcasting WordPress plugin before 3.3.0 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/1c684b05-2545-4fa5-ba9e-91d8b8f725ac/