GHSA-RVMM-V933-JGXQ Craft CMS: Missing authorization check allows non-admin control panel users access to user registration metrics

ChartsController::actionGetNewUsersData at /actions/charts/get-new-users-data is missing a requirePermission'viewUsers' authorization check. Any authenticated control panel user, regardless of permissions beyond accessCp, can POST to this endpoint to receive time-series user registration counts f...