Cross-site scripting (XSS) vulnerability in inc/admin/content.php in the Better WP Security (better_wp_security) plugin before 3.2.5 for WordPress allows remote attackers to inject arbitrary web script or HTML via the HTTP_USER_AGENT header.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.