The Playlist for Youtube WordPress plugin through 1.32 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/0cd5b288-05b3-48b7-9245-f59ce7377861/