The WP Crowdfunding WordPress plugin before 2.1.8 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/2adc5995-03a9-4860-b00b-7f8d7fe18058