Multiple SQL injection vulnerabilities in Small Pirate (SPirate) 2.1 allow remote attackers to execute arbitrary SQL commands via (1) the id parameter to the default URI in an rss .xml action, or the id parameter to (2) pag1.php, (3) pag1-guest.php, (4) rss-comment_post.php (aka rss-coment_post.php), or (5) rss-pic-comment.php.