Multiple cross-site scripting (XSS) vulnerabilities in the administrative backend in BEdita 3.4.0 allow remote authenticated users to inject arbitrary web script or HTML via the (1) lrealname field in the editProfile form to index.php/home/profile; the (2) data[title] or (3) data[description] field in the addQuickItem form to index.php; the (4) "note text" field in the saveNote form to index.php/areas; or the (5) titleBEObject or (6) tagsArea field in the updateForm form to index.php/documents/view.