Cross-site request forgery (CSRF) vulnerability in OpenMRS 2.1 Standalone Edition allows remote attackers to hijack the authentication of administrators for requests that add a new user via a Save User action to admin/users/user.form.

Multiple cross-site scripting (XSS) vulnerabilities in OpenMRS 2.1 Standalone Edition allow remote attackers to inject arbitrary web script or HTML via the (1) givenName, (2) familyName, (3) address1, or (4) address2 parameter to registrationapp/registerPatient.page; the (5) comment parameter to allergyui/allergy.page; the (6) w10 parameter to htmlformentryui/htmlform/enterHtmlForm/submit.action; the (7) HTTP Referer Header to login.htm; the (8) returnUrl parameter to htmlformentryui/htmlform/enterHtmlFormWithStandardUi.page or (9) coreapps/mergeVisits.page; or the (10) visitId parameter to htmlformentryui/htmlform/enterHtmlFormWithSimpleUi.page.

The administration module in OpenMRS 2.1 Standalone Edition allows remote authenticated users to obtain read access via a direct request to /admin.