Interspire Email Marketer through 6.5.1 allows SQL Injection via the surveys module. An unauthenticated attacker could successfully perform an attack to extract potentially sensitive information from the database if the survey id exists.
Interspire Email Marketer through 6.5.0 allows arbitrary file upload via a surveys_submit.php "create survey and submit survey" operation, which can cause a .php file to be accessible under a /admin/temp/surveys/ URI. NOTE: this issue exists because of an incomplete fix for CVE-2018-19550.
admin/functions/remote.php in Interspire Email Marketer through 6.1.6 has Server Side Request Forgery (SSRF) via a what=importurl&url= request with an http or https URL. This also allows reading local files with a file: URL.
Interspire Email Marketer through 6.1.6 allows arbitrary file upload via a surveys_submit.php "create survey and submit survey" operation, which can cause a .php file to be accessible under a admin/temp/surveys/ URI.