The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘id' and 'data-size’ parameters in all versions up to, and including, 1.44.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE ID: CVE-2025-5341
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Vendor: wpmudev
Product: Forminator Forms – Contact Form, Payment Form & Custom Form Builder
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 6.41% (scored less or equal to compared to others)
EPSS Date: 2025-06-05 (when was this score calculated)