All customer websites running on Magic Pages have been updated to Ghost's new release v5.89.5 today. You can read about changes included in Ghost's official release.
Release 5.89.5 · TryGhost/Ghost
🔒 Added UUID verification to member endpoints not requiring a session (see advisory) - Steve Larson View the changelog for full details: v5.89.4...v5.89.5
TryGhost