Ninja Forms <= 3.10.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via CSTI
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-5398
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Asaf Mozes
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/92d106c6-a910-4f41-94d1-59f6b7f3aeb0?source=cve
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.10.1/assets/js/min/front-end.js
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3317181%40ninja-forms&new=3317181%40ninja-forms&sfp_email=&sfph_mail=
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