OpenEMR before 8.5.0 contains an improper authorization vulnerability in interface/drugs/dispense_drug.php, which checks only for admin/dru…

OpenEMR before 8.5.0 contains an improper authorization vulnerability in interface/drugs/dispense_drug.php, which checks only for admin/drugs view permission instead of write permission before dispensing medication. Authenticated users with read-only drug administration access can send GET requests with drug_id, quantity, fee, and encounter parameters to create false dispensing records and decrement inventory.