The Editorial Calendar WordPress plugin before 3.8.3 does not sanitise and escape its settings, allowing users with roles as low as contributor to inject arbitrary web scripts in the plugin admin panel, enabling a Stored Cross-Site Scripting vulnerability targeting higher privileged users.

A vulnerability was found in Editorial Calendar Plugin up to 2.6 on WordPress. It has been declared as critical. Affected by this vulnerability is the function edcal_filter_where of the file edcal.php. The manipulation of the argument edcal_startDate/edcal_endDate leads to sql injection. The attack can be launched remotely. Upgrading to version 2.7 is able to address this issue. The patch is named a9277f13781187daee760b4dfd052b1b68e101cc. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-225151.