Stored Cross-Site Scripting Vulnerability in Ninja Forms by WordPress
CVE-2025-5398

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Ninja Forms – The Contact Form Builder That Grows With You
Vendor
CVE Published:
27 June 2025

What is CVE-2025-5398?

The Ninja Forms plugin for WordPress is susceptible to Stored Cross-Site Scripting (XSS) due to inadequate output escaping of user-supplied data in its templating engine. This flaw affects all versions up to and including 3.10.2.1. Authenticated attackers with contributor-level access can potentially exploit this vulnerability to inject and execute arbitrary scripts in the web pages, posing serious risks to users accessing those affected pages.

Affected Version(s)

Ninja Forms – The Contact Form Builder That Grows With You * <= 3.10.2.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/ninja-forms/ta...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Asaf Mozes
.
CVE-2025-5398 : Stored Cross-Site Scripting Vulnerability in Ninja Forms by WordPress