PHP remote file inclusion vulnerability in index.php in CaupoShop Pro 2.x allows remote attackers to execute arbitrary PHP code via a URL in the action parameter.

SQL injection vulnerability in csc_article_details.php in Caupo.net CaupoShop Classic 1.3 allows remote attackers to execute arbitrary SQL commands via the saArticle[ID] parameter.

Cross-site scripting vulnerability in CaupoShop 1.30a and earlier, and possibly CaupoShopPro, allows remote attackers to execute arbitrary Javascript and steal credit card numbers or delete items by injecting the script into new customer information fields such as the message field.