Multiple cross-site request forgery (CSRF) vulnerabilities in the WP-ViperGB plugin before 1.3.11 for WordPress allow remote attackers to hijack the authentication of administrators for requests that (1) change plugin settings via unspecified vectors or conduct cross-site scripting (XSS) attacks via the (2) vgb_page or (3) vgb_items_per_pg parameter in the wp-vipergb page to wp-admin/options-general.php.