CVE-2021-38144: Formtools Core

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in Form Tools through 3.0.20. A low-privileged user can trigger Reflected XSS when a viewing a form via the submission_id parameter, e.g., clients/forms/edit_submission.php?form_id=1&view_id=1&submission_id=[XSS].

Affected products

• Formtools Core: up to and including 3.0.20

Published 2021-08-31. Last modified 2026-06-17.