Multiple cross-site scripting (XSS) vulnerabilities in orderwiz.php in ModernBill 4.3.0 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) c_code or (2) aid parameters.

PHP remote file inclusion vulnerability in news.php in ModernBill 4.3.0 and earlier allows remote attackers to execute arbitrary PHP code by modifying the DIR parameter to reference a URL on a remote web server that contains the code.

Multiple SQL injection vulnerabilities in ModernBill 4.3.2 and earlier allow remote attackers or administrators to execute arbitrary SQL commands via the (1) id parameter in (a) user.php, or (2) where and (3) order parameters to (b) admin.php.