CVE-2022-1710

The Appointment Hour Booking WordPress plugin before 1.3.56 does not sanitise and escape a settings of its Calendar fields, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.

CVE-2021-24673

The Appointment Hour Booking WordPress plugin before 1.3.16 does not escape some of the Calendar Form settings, allowing high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.