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.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
6.0% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)