Authentication bypass vulnerability in portal/account/register.php in versions of OpenEMR before 5.0.1.4 allows a remote attacker to access (1) portal/add_edit_event_user.php, (2) portal/find_appt_popup_user.php, (3) portal/get_allergies.php, (4) portal/get_amendments.php, (5) portal/get_lab_results.php, (6) portal/get_medications.php, (7) portal/get_patient_documents.php, (8) portal/get_problems.php, (9) portal/get_profile.php, (10) portal/portal_payment.php, (11) portal/messaging/messages.php, (12) portal/messaging/secure_chat.php, (13) portal/report/pat_ledger.php, (14) portal/report/portal_custom_report.php, or (15) portal/report/portal_patient_report.php without authenticating as a patient.