The Stylish Price List WordPress plugin before 7.1.12 does not sanitise and escape some of its settings, which could allow high privilege users such as contributor to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
https://wpscan.com/vulnerability/d79e5c05-26d0-4223-891f-42ac9fb6ef6e/