by nintechnet 4.9 (220 reviews)

NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall

Name: NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall
Rating: 4.9 (220 reviews)
Author: nintechnet

A true Web Application Firewall to protect and secure WordPress.

NinjaFirewall (WP Edition) ranks #348 among WordPress.org plugins with 100,000+ active installations, is #18 of 1,576 in the Authentication category, a 4.9/5 rating from 220 reviews, and was last updated Aug 16, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v4.9 Current Version v4.9

Updated 4 weeks ago Last Update on 16 Aug, 2026

Refreshed 11 hours ago Last Refreshed on

#18 of 1,576 in Authentication Top 1% by installs Downloads -33.9% this week Actively maintained

View on WordPress.org

Rank

#348

— No change

Active Installs

100K+

-38.9%

KW Avg Position

0.2 better

Downloads

3.1M

+568 today

Support Resolved

38%

— No change

Rating

98%

Review 4.9 out of 5

4.9 (220 reviews)

Next Milestone 200K

Total Progress 65.4%

100K+ 200K+

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Need 34,637 more installs to reach 200K+

Rank Changes

Current #348

Change

Best #

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

4.9

220 reviews

Overall 98%

210 (95%)

2 (1%)

1 (0%)

6 (3%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

38%

Resolution Rate

Security History

Source: WPVulnerability

4 known vulnerabilities on record · 1 in the last 24 months · checked 1 week ago

Oct 16, 2024

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall [ninjafirewall] < 4.3.4

CVE-2021-4451 · Fixed in v4.3.4
May 30, 2021

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall [ninjafirewall] < 4.3.4

Fixed in v4.3.4
May 30, 2021

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall [ninjafirewall] < 4.3.4

CVE-2021-4451 · Fixed in v4.3.4
NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall [ninjafirewall] < 4.3.4

Fixed in v4.3.4

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Plugin Details

Version: 4.9
Last Updated: Aug 16, 2026
Requires WP: 4.9+
Tested Up To: 7.1
PHP Version: 7.1 or higher
Author: nintechnet

Support & Rating

Rating: ★ ★ ★ ★ ★ 4.9
Reviews: 220
Support Threads: 8
Resolved: 38%

Keywords

firewall malware protection security virus

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress administrators who want firewall-level protection running directly on their own server rather than through a cloud service. It filters and inspects incoming HTTP requests before they reach WordPress or its plugins, blocking brute-force attacks, shell scripts, backdoors, and other exploits while monitoring file integrity and security-relevant events.

Filters HTTP requests before WordPress
Brute-force attack protection
File Guard real-time detection
File Check integrity monitoring
Live Log real-time traffic viewer
Email event notifications
Automatic security rule updates
IPv6 and multi-site support

Frequently Asked Questions

Common questions about NinjaFirewall (WP Edition) - Advanced Security Plugin and Firewall

NinjaFirewall stands between the attacker and WordPress. It can filter requests before they reach your blog and any of its plugins. This is how it works : Visitor -> HTTP server -> PHP -> NinjaFirewall #1 -> WordPress -> NinjaFirewall #2 -> Plugins & Themes -> WordPress exit -> NinjaFirewall #3 And this is how all WordPress plugins work : Visitor > HTTP server > PHP > WordPress > Plugins -> WordPress exit Unlike other security plugins, it will protect all PHP scripts, including those that aren't part of the WordPress package.

NinjaFirewall includes a very powerful filtering engine which can detect Web Application Firewall evasion techniques and obfuscation tactics used by hackers, as well as support and decode a large set of encodings. See our blog for a full description: An introduction to NinjaFirewall 3.0 filtering engine.

NinjaFirewall does not require any root privilege and is fully compatible with shared hosting accounts. You can install it from your WordPress admin console, just like a regular plugin.

NinjaFirewall works with Nginx and others Unix-based HTTP servers (Apache, LiteSpeed etc). Its installer will detect it.

You do not need to make any modifications to your scripts. NinjaFirewall hooks all requests before they reach your scripts. It will even work with encoded scripts (ionCube, ZendGuard, SourceGuardian etc).

NinjaFirewall will look for the wp-config.php script in the current folder or, if it cannot find it, in the parent folder.

You can use an optional configuration file to tell NinjaFirewall which IP to use. Please follow these steps.

Your visitors will not notice any difference with or without NinjaFirewall. From WordPress administration console, you can click "NinjaFirewall > Status" menu to see the benchmarks and statistics (the fastest, slowest and average time per request). NinjaFirewall is very fast, optimised, compact, requires very low system resources and outperforms all other security plugins. By blocking dangerous requests and bots before WordPress is loaded, it will save bandwidth and reduce server load.

NinjaFirewall works on Unix-like servers only. There is no Microsoft Windows version and we do not expect to release any.