Does NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall have any unpatched vulnerabilities?

No. All known vulnerabilities in NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall have been patched as of the latest data update. Always keep the plugin updated to the latest version.

Is NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall compatible with WordPress 6.9.4?

According to WordPress.org data, NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall 4.8.4 has been tested up to WordPress 6.9.4. Check the plugin's changelog for the latest compatibility information.

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall Security & Risk Analysis

wordpress.org/plugins/ninjafirewall

A true Web Application Firewall to protect and secure WordPress.

100K active installs v4.8.4 PHP 7.1+ WP 4.9+ Updated Mar 12, 2026

firewallmalwareprotectionsecurityvirus

A · Safe

CVEs total1

Unpatched0

Last CVEMay 30, 2021

Plugin page Download

Safety Verdict

Is NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall Safe to Use in 2026?

Generally Safe

Score 100/100

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall has a strong security track record. Known vulnerabilities have been patched promptly.

1 known CVELast CVE: May 30, 2021Updated 22d ago

Risk Assessment

NinjaFirewall v4.8.4 exhibits a generally strong security posture with several positive indicators. The plugin has a limited attack surface with all identified entry points being protected by authentication checks. Notably, it utilizes prepared statements exclusively for its SQL queries and implements a significant number of nonce and capability checks, demonstrating a good understanding of WordPress security best practices. There are no identified critical or high severity vulnerabilities from taint analysis, and no unpatched CVEs currently exist.

Key Concerns

All outputs are unescaped
Previous deserialization vulnerability
Significant number of file operations

Vulnerabilities

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall Security Vulnerabilities

CVEs by Year

1 CVE in 2021

2021

Patched Has unpatched

Severity Breakdown

Medium

1 total CVE

CVE-2021-4451medium · 6.6Deserialization of Untrusted Data

NinjaFirewall <= 4.3.3 - Authenticated PHAR Deserialization

May 30, 2021 Patched in 4.3.4 (1235d)

Code Analysis

Analyzed Mar 16, 2026

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall Code Analysis

Dangerous Functions

Raw SQL Queries

0 prepared

Unescaped Output

0 escaped

Nonce Checks

Capability Checks

File Operations

External Requests

Bundled Libraries

Output Escaping

0% escaped6 total outputs

Data Flows

All sanitized

Data Flow Analysis

3 flows

nfw_admin_init (ninjafirewall.php:379)

Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized

Attack Surface

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall Attack Surface

Entry Points2

Unprotected0

AJAX Handlers 2

authwp_ajax_nfw_fullwafsetupninjafirewall.php:631

authwp_ajax_nfw_fullwafconfigninjafirewall.php:751

WordPress Hooks 15

actionnfwgccronninjafirewall.php:104

actionadmin_enqueue_scriptsninjafirewall.php:375

actionadmin_initninjafirewall.php:531

actioninitninjafirewall.php:544

actionwp_loginninjafirewall.php:612

actionwp_logoutninjafirewall.php:626

actionadmin_menuninjafirewall.php:923

actionnetwork_admin_menuninjafirewall.php:925

actionadmin_bar_menuninjafirewall.php:972

actionnfscaneventninjafirewall.php:1008

actionshutdownninjafirewall.php:1041

actionnfdailyreportninjafirewall.php:1043

actionnfsecupdatesninjafirewall.php:1074

actionwp_network_dashboard_setupninjafirewall.php:1125

actionwp_dashboard_setupninjafirewall.php:1127

Maintenance & Trust

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4

Last updatedMar 12, 2026

PHP min version7.1

Downloads3.1M

Community Trust

Rating98/100

Number of ratings217

Active installs100K

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WebTotem Security

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WebTotem is a SaaS which provides powerful tools for securing and monitoring your website in one place in easy and flexible way.

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Premium WordPress Security - 100% FREE: Firewall, 2FA, Security Headers, Login and Malware Protection, File Monitor, Activity Log, Under Attack & more

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MoeSec Security – Comprehensive Malware Scanner & Security Suite

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MoeSec Security is a comprehensive plugin for Malware Scanning, Monitoring, Integrity, Security Hardening and Protection.

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Developer Profile

NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall Developer Profile

nintechnet

3 plugins · 130K total installs

trust score

Avg Security Score

99/100

Avg Patch Time

619 days

View full developer profile

Detection Fingerprints

How We Detect NinjaFirewall (WP Edition) – Advanced Security Plugin and Firewall

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

Asset Paths

/wp-content/plugins/ninjafirewall/js/ninjafirewall-backend.js/wp-content/plugins/ninjafirewall/css/ninjafirewall-backend.css/wp-content/plugins/ninjafirewall/js/backend-modal.js/wp-content/plugins/ninjafirewall/js/admin-notices.js/wp-content/plugins/ninjafirewall/js/nfw-helpers.js/wp-content/plugins/ninjafirewall/js/codemirror/lib/codemirror.js/wp-content/plugins/ninjafirewall/js/codemirror/mode/javascript/javascript.js/wp-content/plugins/ninjafirewall/js/codemirror/mode/css/css.js+24 more

Script Paths

/wp-content/plugins/ninjafirewall/js/ninjafirewall-backend.js/wp-content/plugins/ninjafirewall/js/backend-modal.js/wp-content/plugins/ninjafirewall/js/admin-notices.js/wp-content/plugins/ninjafirewall/js/nfw-helpers.js/wp-content/plugins/ninjafirewall/js/codemirror/lib/codemirror.js/wp-content/plugins/ninjafirewall/js/codemirror/mode/javascript/javascript.js+21 more

Version Parameters

ninjafirewall/style.css?ver=ninjafirewall/js/ninjafirewall-backend.js?ver=ninjafirewall/css/ninjafirewall-backend.css?ver=ninjafirewall/js/backend-modal.js?ver=ninjafirewall/js/admin-notices.js?ver=ninjafirewall/js/nfw-helpers.js?ver=ninjafirewall/js/codemirror/lib/codemirror.js?ver=ninjafirewall/js/codemirror/mode/javascript/javascript.js?ver=ninjafirewall/js/codemirror/mode/css/css.js?ver=ninjafirewall/js/codemirror/mode/htmlmixed/htmlmixed.js?ver=ninjafirewall/js/codemirror/mode/clike/clike.js?ver=ninjafirewall/js/codemirror/mode/php/php.js?ver=ninjafirewall/js/codemirror/addon/edit/matchbrackets.js?ver=ninjafirewall/js/codemirror/addon/hint/show-hint.js?ver=ninjafirewall/js/codemirror/addon/hint/javascript-hint.js?ver=ninjafirewall/js/codemirror/addon/hint/css-hint.js?ver=ninjafirewall/js/codemirror/addon/hint/html-hint.js?ver=ninjafirewall/js/codemirror/addon/hint/php-hint.js?ver=ninjafirewall/js/codemirror/addon/edit/closebrackets.js?ver=ninjafirewall/js/codemirror/addon/edit/placeholder.js?ver=ninjafirewall/js/codemirror/addon/runmode/runmode.js?ver=ninjafirewall/js/codemirror/addon/display/placeholder.js?ver=ninjafirewall/css/codemirror.css?ver=ninjafirewall/css/nfw-helpers.css?ver=ninjafirewall/css/admin-notices.css?ver=ninjafirewall/css/colorbox/colorbox.css?ver=ninjafirewall/js/colorbox/jquery.colorbox.js?ver=ninjafirewall/js/colorbox/jquery.colorbox-min.js?ver=ninjafirewall/js/nfw-modal.js?ver=ninjafirewall/js/nfw-colorbox.js?ver=ninjafirewall/js/nfw-dashboard.js?ver=ninjafirewall/js/nfw-dashboard-widgets.js?ver=ninjafirewall/js/nfw-dashboard-scanner.js?ver=

HTML / DOM Fingerprints

CSS Classes

nf_settingsnf_messagenfw_code_editornfw-dashboard-widgetnfw-dashboard-scanner-resultsnfw-menu-iconnfw_colorboxnfw-admin-notice+1 more

HTML Comments

+39 more

Data Attributes

data-nfw-actiondata-nfw-targetdata-nfw-iddata-nfw-urldata-nfw-editordata-codemirror-mode

JS Globals

nfw_admin_objectnfw_codemirror_settingsnfw_colorbox_settingsnfw_modal_settings

FAQ