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WordPress plugin

Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress <= 3.0.31 — Arbitrary Wordpress Shortcode Injection

f3ebaf25-1bd3-4770-b4bd-30de83b31addPublished · Updated

Action summary

Affected: ≤3.0.31Update to 3.0.32 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:N Integrity
None
A:N Availability
None
Weakness
CWE-94 Improper Control of Generation of Code
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder ninja-forms

  1. Affected≤ 3.0.31
  2. Patched in3.0.32

Update to 3.0.32 or newer.

You are affected if you run ≤ 3.0.31. Version 3.0.32 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 3.0.32, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to James Golovich.

The Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress plugin for WordPress is vulnerable to Arbitrary Wordpress Shortcode Injection in versions up to, and including, 3.0.31. This makes it possible for unauthenticated attackers to preview un-published forms and could possibly be used to leverage further attacks.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

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

All 95
More vulnerabilities in Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder
SeverityVulnerabilityCVEPublished
Medium6.1Reflected DOM-Based Cross-Site Scripting via 'querystring:<key>' URL Parameter
≤3.15.5Update to 3.15.6
CVE-2026-100151
Medium6.5Unauthenticated Arbitrary Shortcode Execution via 'formData' Field Value via Success Message Merge Tag
≤3.15.5Update to 3.15.6
CVE-2026-100155
Medium5.4Authenticated (Subscriber+) Arbitrary Shortcode Execution via '{wp:user_display_name}' Merge Tag via display_name
≤3.15.5Update to 3.15.6
CVE-2026-101326
High7.2Unauthenticated Stored Cross-Site Scripting via 'extra' Parameter via Metadata Key Normalization
≤3.15.5Update to 3.15.6
CVE-2026-109997
Medium5.8Unauthenticated CSV Injection
≤3.15.3Update to 3.15.4
CVE-2026-67187

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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