The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.
CVSS 3.1MEDIUM 5.4·Network·Low privileges·User interaction·EPSS 0.0062·Published 2021-09-20·Fixed in 1.20.8CWE-79