Multiple cross-site scripting (XSS) vulnerabilities in PivotX before 2.3.9 allow remote authenticated users to inject arbitrary web script or HTML via the title field to (1) templates_internal/pages.tpl, (2) templates_internal/home.tpl, or (3) templates_internal/entries.tpl; (4) an event field to objects.php; or the (5) email or (6) nickname field to pages.php, related to templates_internal/users.tpl.