The FormCraft WordPress plugin before 1.2.7 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/d3fb4a2b-ed51-4654-b7c1-4b0f59cd1ecf