Multiple cross-site scripting (XSS) vulnerabilities in admin_panel.php in the Simon Elvery WP-Footnotes 2.2 plugin for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) wp_footnotes_current_settingspriority (2) wp_footnotes_current_settingsstyle_rules (3) wp_footnotes_current_settingspre_footnotes and (4) wp_footnotes_current_settingspost_footnotes parameters.