Themify WordPress plugin before 1.4.4 does not sanitise and escape some of its Filters 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/2cbabde8-1e3e-4205-8a5c-b889447236a0/