The BannerMan WordPress plugin through 0.2.4 does not sanitize or escape its settings, which could allow high-privileged users to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed (such as in multisite)
Cross-site scripting (XSS) vulnerability in the BannerMan plugin 0.2.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the bannerman_background parameter to wp-admin/options-general.php.