The Calendar Event Multi View WordPress plugin before 1.4.07 does not have any authorisation and CSRF checks in place when creating an event, and is also lacking sanitisation as well as escaping in some of the event fields. This could allow unauthenticated attackers to create arbitrary events and put Cross-Site Scripting payloads in it.

A vulnerability classified as problematic was found in Calendar Event Multi View Plugin. This vulnerability affects unknown code of the file /wp/?cpmvc_id=1&cpmvc_do_action=mvparse&f=datafeed&calid=1&month_index=1&method=adddetails&id=2. The manipulation leads to cross-site request forgery. The attack can be initiated remotely. The identifier of this vulnerability is VDB-206488.