Simple Giveaways < 2.45.1 - Editor+ Stored Cross-Site Scripting

The Simple Giveaways WordPress plugin before 2.45.1 does not sanitise and escape some of its Giveaways options, 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)