interface/patient_file/letter.php in OpenEMR before 5.0.1 allows remote authenticated users to bypass intended access restrictions via the newtemplatename and form_body parameters.
interface/fax/fax_dispatch.php in OpenEMR before 5.0.1 allows remote authenticated users to bypass intended access restrictions via the scan parameter.
The application OpenEMR is affected by multiple reflected & stored Cross-Site Scripting (XSS) vulnerabilities affecting version 5.0.0 and prior versions. These vulnerabilities could allow remote authenticated attackers to inject arbitrary web script or HTML.
OpenEMR 5.0.0 and prior allows low-privilege users to upload files of dangerous types which can result in arbitrary code execution within the context of the vulnerable application.