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Ninja Forms – The Contact Form Builder That Grows With You v3.15.3

The 100% beginner friendly WordPress form builder. Drag & drop form fields to build beautiful, professional contact forms in minutes.

Plugin Auditor is an independent service and is not affiliated with, endorsed by, or sponsored by Ninja Forms or its developer. Disclaimer.

  • Audit coverage Not yet audited newest version pending
  • On Plugin Auditor since Aug 27, 2026
  • Last audited Aug 28, 2026

Compatibility & requirements

The PHP and WordPress versions this plugin needs, and how current its version support is.

  • Requires PHP 7.4+
  • Requires WordPress 6.8+
  • Tested up to WP 7.0 WP 7.1.3 is current

Audit scores by category

125 checks

How this plugin scores across the six areas we audit, from security to accessibility.

  • 94 Passed
  • 22 Warnings
  • 9 Failed
Security 68/100
Needs Improvement

25 of 37 checks passed.

Code Quality 90/100
Excellent

55 of 61 checks passed.

Performance 58/100
Needs Improvement

7 of 12 checks passed.

Compatibility 50/100
Needs Improvement

3 of 6 checks passed.

Privacy 67/100
Needs Improvement

2 of 3 checks passed.

Accessibility 33/100
Poor

2 of 6 checks passed.

Code footprint

How much code ships in this plugin, and the file types that make it up.

View in detail

ZIP file size

6.4 MB

19.3 MB unzipped

Total files

715

across all file types

Lines of PHP

67,120

in 387 files Large

File types

  • PHP
  • PNG
  • HTML
  • JS
  • Other

Top issues

The most important findings from the latest audit, ordered by severity.

  • 0 Critical
  • 23 High
  • 293 Medium
  • 127 Low

This is a preview of notable findings. Full file-level results, line numbers and code context are in the scan.

View full report

How scores changed across versions

Across 30 audited versions of Ninja Forms – The Contact Form Builder That Grows With You, Accessibility improved the most (+16). No category regressed over this span. The codebase shrank 7% in size.

Audited 3.4.34.3 → 3.14.12 · 30 versions

0 50 100 3.4.34.3 3.12.2 3.14.3 3.14.12

How issues changed across versions

Findings by severity for each audited version, so you can see which issues were fixed over time.

0 370 740 3.4.34.3 3.12.2 3.14.3 3.14.12

Download momentum

How fast this plugin is being installed lately, and whether that pace is rising or slowing.

Last 7 days

484,201

downloads

Today

7,107

downloads

Week over week

+575%

vs previous week

Month over month

+34%

vs previous month

Download trend: Growing. Abandonment risk: None.

Version intelligence

100% of installs run the current version

  • Other
  • v3.6
  • v3.8
  • v3.14

Ratings

1,395 ratings on WordPress.org

  • 5 1,097
  • 4 67
  • 3 41
  • 2 40
  • 1 150

Support: 9 / 12 threads resolved in the last two months

Maintenance & history

How actively this plugin is kept up, from its last update to its release history.

Last updated

This month

Aug 10, 2026

Actively maintained

Release cadence

~ every 9 days

average between releases

Total releases

42

since Aug 2016 · 10 yrs

Contributors & developers

The people credited with building and maintaining this plugin.

Running Ninja Forms in Your Site?

Our latest audit of Ninja Forms v3.15.3 flagged 443 issues. Scan your own copy to see each one with its exact file, line number, and a recommended fix.

Ninja Forms and its trademarks are used only to identify the plugin analyzed and remain the property of their owners. This is an independent Plugin Auditor audit, not affiliated with, sponsored by, or endorsed by the plugin's developer. Metadata may come from WordPress.org; scores, findings, classifications, and visualizations are independently generated by Plugin Auditor. Full disclaimer.