Giveaways and Contests by RafflePress < 1.12.16 - Editor+ Stored XSS

The Giveaways and Contests by RafflePress WordPress plugin before 1.12.16 does not sanitise and escape some of its Giveaways settings, which could allow high privilege users such as editor and above to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)