Machform prior to version 16 is vulnerable to an open redirect in Safari_init.php due to an improperly sanitized 'ref' parameter.

Machform prior to version 16 is vulnerable to unauthenticated remote code execution due to insufficient sanitization of file attachments uploaded with forms through upload.php.

Machform prior to version 16 is vulnerable to stored cross-site scripting due to insufficient sanitization of file attachments uploaded with forms through upload.php.

Machform prior to version 16 is vulnerable to cross-site request forgery due to a lack of CSRF tokens in place.

Machform prior to version 16 is vulnerable to HTTP host header injection due to improperly validated host headers. This could cause a victim to receive malformed content.

An issue was discovered in Appnitro MachForm before 4.2.3. When the form is set to filter a blacklist, it automatically adds dangerous extensions to the filters. If the filter is set to a whitelist, the dangerous extensions can be bypassed through ap_form_elements SQL Injection.

An issue was discovered in Appnitro MachForm before 4.2.3. There is a download.php SQL injection via the q parameter.

An issue was discovered in Appnitro MachForm before 4.2.3. The module in charge of serving stored files gets the path from the database. Modifying the name of the file to serve on the corresponding ap_form table leads to a path traversal vulnerability via the download.php q parameter.