Multiple cross-site scripting (XSS) vulnerabilities in ZENphoto 1.4.2 allow remote attackers to inject arbitrary web script or HTML via the (1) msg parameter in an external action to zp-core/admin.php, (2) PATH_INTO to an unspecified URL, as demonstrated using /1/, (3) PATH_INFO to zp-core/admin.php, or (4) album parameter to zp-core/admin-edit.php.