GHSA-2GC7-J998-5XX6 Nginx UI: Account Takeover via Missing `RequireSecureSession` on User Management Endpoint

Summary POST /api/users/:id allows any authenticated user to change any other user's password without RequireSecureSession 2FA verification. In contrast, the self password change endpoint POST /api/user/password correctly requires RequireSecureSession. This inconsistency enables any authenticated...