class-1 class-1 Forum 0.24.4

Multiple SQL injection vulnerabilities in Class-1 Forum 0.24.4 and 0.23.2, and Clever Copy with forums installed, allow remote attackers to modify SQL statements via the (1) id parameter to viewattach.php, (2) viewuser_id parameter to users.php, or the (3) id or (4) forum parameter to viewforum.php.

SQL injection vulnerability in class-1 Forum Software 0.24.4 allows remote attackers to execute arbitrary SQL commands and bypass the file extension check via SQL code in the file extension of an uploaded file.

Cross-site scripting (XSS) vulnerability in Class-1 Forum 0.24.4 and 0.23.2, and Clever Copy with forums installed, allows remote attackers to inject arbitrary web script or HTML via the (1) viewuser_id or (2) group parameter to users.php.