Multiple cross-site scripting (XSS) vulnerabilities in Subrion CMS before 2.2.3 allow remote attackers to inject arbitrary web script or HTML via the id parameter to (1) admin/accounts/, (2) admin/manage/, or (3) admin/manage/blocks/edit/; or (4) group parameter to admin/configuration/.  NOTE: The f[accounts][fullname] and f[accounts][username] vectors are covered in CVE-2012-5452.