The Seed Social WordPress plugin before 2.0.4 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/64e144fb-aa9f-4cfe-9c44-a4e1fa2e8dd5/