Machform up to version 19 is affected by an authenticated Blind SQL injection in the user account settings page.

MachForm up to version 19 is affected by an authenticated stored cross-site scripting.

MachForm up to version 19 is affected by an unauthenticated stored cross-site scripting which affects users with valid sessions whom can view compiled forms results.

MachForm up to version 21 is affected by an authenticated unrestricted file upload which leads to a remote code execution.

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.