XSS in Gravity Forms
CVE-2026-4394
The Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Credit Card field's 'Card Type' sub-field (`input_<id>.4`) in all versions up to, and including, 2.9.30. This is due to the `get_value_entry_detail…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (11.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Gravity Forms — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/6f38d7b7-6df6-47a2-a9ba-87ef1…
- plugins.trac.wordpress.org/browser/gravityforms/trunk/includes/fields/class-gf-…
- plugins.trac.wordpress.org/browser/gravityforms/tags/2.9.25/includes/fields/cla…
- plugins.trac.wordpress.org/browser/gravityforms/trunk/includes/fields/class-gf-…
- plugins.trac.wordpress.org/browser/gravityforms/tags/2.9.25/includes/fields/cla…
- docs.gravityforms.com/gravityforms-change-log/
Frequently asked questions
- What is CVE-2026-4394?
- CVE-2026-4394 is a medium-severity vulnerability in Gravity Forms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-07.
- How severe is CVE-2026-4394?
- Medium severity. CVSS v3 base score is 6.1 out of 10.