A vulnerability has been found in Appointment Scheduler 3.0 and classified as problematic. This vulnerability affects unknown code. The manipulation of the argument name/plugin_sms_api_key/plugin_sms_country_code/calendar_id/title/country name/customer_name leads to cross site scripting.

This vulnerability was named CVE-2023-48839. The attack can be initiated remotely. There is no exploit available.