Medium (5.3) in wpmudev forminator forms. EPSS 0.4% chance of exploitation in the next 30 days.
The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.36.0 via the submit_quizzes() function due to missing validation on the 'entry_id' user controlled key. This makes it possible for unauthenticated attackers to modify other user's quiz submissions.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)