In OpenEMR, versions 5.0.0 to 6.0.0.1 are vulnerable to weak password requirements as it does not enforce a maximum password length limit. If a malicious user is aware of the first 72 characters of the victim user’s password, he can leverage it to an account takeover.
A Stored XSS vulnerability in interface/usergroup/usergroup_admin.php in OpenEMR before 5.0.2.1 allows a admin authenticated user to inject arbitrary web script or HTML via the lname parameter.