The Top Comments WordPress plugin through 1.0 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/7cc14a87-4605-49f6-9d51-0b9eb57e6c9d/