CVE-2025-5398
Ninja Forms <= 3.10.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via CSTI
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the use of a templating engine in all versions up to, and including, 3.10.2.1 due to insufficient output escaping on user data passed through the template. 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.
| CWE | CWE-79 |
| Vendor | kstover |
| Product | ninja forms – the contact form builder that grows with you |
| Published | Jun 27, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
kstover / Ninja Forms – The Contact Form Builder That Grows With You
0 ≤ 3.10.2.1
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/92d106c6-a910-4f41-94d1-59f6b7f3aeb0?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.10.1/assets/js/min/front-end.js plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3317181%40ninja-forms&new=3317181%40ninja-forms&sfp_email=&sfph_mail=
Credits
Asaf Mozes