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NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall v4.9

A true Web Application Firewall to protect and secure WordPress.

Plugin Auditor is an independent service and is not affiliated with, endorsed by, or sponsored by NinjaFirewall (WP Edition) or its developer. Disclaimer.

  • Audit coverage Up to date 30 versions audited
  • On Plugin Auditor since Sep 3, 2026
  • Last audited Sep 3, 2026

Compatibility & requirements

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

  • Requires PHP 7.1+
  • Requires WordPress 4.9+
  • Tested up to WP 7.0 WP 7.1.3 is current
  • Version adoption 37% run the current version

Audit scores by category

125 checks

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

  • 78 Passed
  • 36 Warnings
  • 11 Failed
Security 59/100
Needs Improvement

22 of 37 checks passed.

Code Quality 66/100
Needs Improvement

40 of 61 checks passed.

Performance 75/100
Needs Improvement

9 of 12 checks passed.

Compatibility 67/100
Needs Improvement

4 of 6 checks passed.

Privacy 33/100
Poor

1 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

1.2 MB

2.0 MB unzipped

Total files

108

across all file types

Lines of PHP

17,766

in 51 files Medium

File types

  • PHP
  • PNG
  • HTML
  • OTHER
  • Other

Top issues

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

  • 0 Critical
  • 1,311 High
  • 827 Medium
  • 629 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 NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall, Security improved the most (+2). The largest regression was in Privacy (-34). The codebase grew 13% in size.

Audited 4.5 → 4.9 · 30 versions

0 50 100 4.5 4.5.10 4.8 4.9

How issues changed across versions

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

0 1480 2960 4.5 4.5.10 4.8 4.9

Download momentum

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

Last 7 days

6,405

downloads

Today

1,010

downloads

Week over week

−16%

vs previous week

Month over month

−4%

vs previous month

Download trend: Steady. Abandonment risk: None.

Version intelligence

63% of installs run an older version

≈ 63.1K+ sites on a lower-scoring version.

  • Other
  • v4.5
  • v4.7
  • v4.8
  • v4.9

Ratings

220 ratings on WordPress.org

  • 5 210
  • 4 2
  • 3 1
  • 2 1
  • 1 6

Support: 6 / 10 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 5, 2026

Actively maintained

Release cadence

~ every 41 days

average between releases

Total releases

30

since Feb 2022 · 4 yrs

Contributors & developers

The people credited with building and maintaining this plugin.

Running NinjaFirewall (WP Edition) in Your Site?

Our latest audit of NinjaFirewall (WP Edition) v4.9 flagged 2,767 issues. Scan your own copy to see each one with its exact file, line number, and a recommended fix.

NinjaFirewall (WP Edition) 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.