admin/partials/wp-splashing-admin-main.php in the Splashing Images plugin (wp-splashing-images) before 2.1.1 for WordPress allows authenticated (administrator, editor, or author) remote attackers to conduct PHP Object Injection attacks via crafted serialized data in the 'session' HTTP GET parameter to wp-admin/upload.php.

A cross-site scripting (XSS) vulnerability in admin/partials/wp-splashing-admin-sidebar.php in the Splashing Images plugin (wp-splashing-images) before 2.1.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the search parameter to wp-admin/upload.php.