Multiple cross-site scripting (XSS) vulnerabilities in Grayscale BandSite CMS allow remote attackers to inject arbitrary web script or HTML via (1) the max_file_size_purdy parameter in adminpanel/includes/helpfiles/help_mp3.php, (2) the message_text parameter in adminpanel/includes/mailinglist/sendemail.php, (3) the this_year parameter in includes/footer.php, and the band parameter in (4) adminpanel/includes/helpfiles/help_news.php (5) adminpanel/includes/helpfiles/help_merch.php, (6) adminpanel/includes/header.php, and (7) adminpanel/login_header.php; and includes/content/ files including (8) bio_content.php, (9) gbook_content.php, (10) interview_content.php, (11) links_content.php, (12) lyrics_content.php, (13) member_content.php, (14) merch_content.php, (15) mp3_content.php, (16) news_content.php, (17) pastshows_content.php, (18) photo_content.php, (19) releases_content.php, (20) reviews_content.php, (21) shows_content.php, and (22) signgbook_content.php.