Ninja Forms – The Contact Form Builder That Grows With You <= 3.10.0 - Authenticated (Admin+) Stored Cross-Site Scripting

4.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2025-2561
CVSS 4.4 (Medium)
Publicly Published April 28, 2025
Last Updated May 23, 2025
Researcher Bob Matyas - Automattic

Description

The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.10.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder

Software Type Plugin
Software Slug ninja-forms (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.10.1, or a newer patched version
Affected Version
  • <= 3.10.0
Patched Version
  • 3.10.1

Recent vulnerabilities in Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder

# Title CVE ID CVSS Researchers Date
1 Ninja Forms <= 3.15.4 - Unauthenticated Stored Cross-Site Scripting via Paragraph Text (RTE) Field Submission CVE-2026-90438 7.2 UKO October 1, 2026
2 Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder <= 3.15.3 - Unauthenticated Stored Cross-Site Scripting CVE-2026-102385 7.2 Intrudify September 30, 2026
3 Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder <= 3.15.3 - Unauthenticated Stored Cross-Site Scripting CVE-2026-95515 7.2 Dthangws September 23, 2026
4 Ninja Forms <= 3.15.3 - Unauthenticated Stored Cross-Site Scripting CVE-2026-92438 7.2 Venkateswara Reddy Challa September 22, 2026
5 Ninja Forms <= 3.15.3 - Unauthenticated PHP Object Injection CVE-2026-91827 8.1 Karthik Ramakrishnan September 22, 2026
6 Ninja Forms – The Contact Form Builder That Grows With You <= 3.15.3 - Unauthenticated Stored Cross-Site Scripting CVE-2026-94504 7.2 Hippolyte Quéré (Hippie) (Hippie) September 21, 2026
7 Ninja Forms <= 3.14.6 - Authenticated (Administrator+) PHP Object Injection via Form Import CVE-2026-11363 6.6 DungNhi September 8, 2026
8 Ninja Forms <= 3.15.1 - Unauthenticated Stored Cross-Site Scripting via Repeater Child 'type' Confusion via Unmatched Array Key CVE-2026-19769 7.2 Jonah Burgess (CryptoCat) September 4, 2026
9 Ninja Forms – The Contact Form Builder That Grows With You 3.14.10 - 3.15.1 - Unauthenticated Arbitrary Shortcode Execution CVE-2026-80437 6.5 Jakub Herman September 4, 2026
10 Ninja Forms – The Contact Form Builder That Grows With You 3.14.0 - 3.15.1 - Authenticated (Custom Role+) Information Exposure CVE-2026-80438 3.1 ChinhNguyen September 2, 2026

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