The WPC Admin Columns WordPress plugin before 2.3.4 does not have authorisation checks in one of its AJAX actions, allowing users with a role as low as subscriber to read arbitrary user, post and ter…

Summary

The WPC Admin Columns WordPress plugin before 2.3.4 does not have authorisation checks in one of its AJAX actions, allowing users with a role as low as subscriber to read arbitrary user, post and term metadata, including data belonging to administrators.