Does Gatekeeper have any unpatched vulnerabilities?

No. All known vulnerabilities in Gatekeeper have been patched as of the latest data update. Always keep the plugin updated to the latest version.

Is Gatekeeper compatible with WordPress 4.8.28?

According to WordPress.org data, Gatekeeper 1.1 has been tested up to WordPress 4.8.28. Check the plugin's changelog for the latest compatibility information.

How often is Gatekeeper updated?

Gatekeeper was last updated on Oct 23, 2017. Frequent updates are generally a positive security signal.

What is Gatekeeper's security score?

Gatekeeper has a WP-Safety security score of 85/100. This score is computed from CVE history, patch response time, developer trust signals, and plugin maintenance activity.

Gatekeeper Security & Risk Analysis

wordpress.org/plugins/gatekeeper

Gatekeeper allows administrators to take a WordPress site offline while leaving it accessible to authorized users for maintenance, testing, etc.

200 active installs v1.1 PHP + WP 3.0+ Updated Oct 23, 2017

blacklistgatekeepermaintenanceofflinewhitelist

A · Safe

CVEs total0

Unpatched0

Last CVENever

Plugin page Download

Safety Verdict

Is Gatekeeper Safe to Use in 2026?

Generally Safe

Score 85/100

Gatekeeper has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 8yr ago

Risk Assessment

The Gatekeeper plugin v1.1 exhibits a generally good security posture in several areas. The absence of known CVEs and a clean vulnerability history are positive indicators, suggesting the plugin has historically been maintained with security in mind. The static analysis reveals a very small attack surface with no identified entry points, which is excellent. Furthermore, all SQL queries are properly prepared, and no dangerous functions or file operations were detected, mitigating common WordPress plugin risks.

Key Concerns

Unescaped output in 100% of outputs
No nonce checks found
External HTTP request without checks
Bundled jQuery library

Vulnerabilities

None known

Gatekeeper Security Vulnerabilities

No known vulnerabilities — this is a good sign.

Code Analysis

Analyzed Mar 16, 2026

Gatekeeper Code Analysis

Dangerous Functions

Raw SQL Queries

0 prepared

Unescaped Output

0 escaped

Nonce Checks

Capability Checks

File Operations

External Requests

Bundled Libraries

jQuery

Output Escaping

0% escaped10 total outputs

Data Flows

All sanitized

Data Flow Analysis

2 flows

gatekeeper_options (gkfunc.php:114)

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

Attack Surface

Gatekeeper Attack Surface

Entry Points0

Unprotected0

WordPress Hooks 6

actioninitgkfunc.php:33

actionadmin_noticesgkfunc.php:34

actionadmin_headgkfunc.php:35

actionadmin_headgkfunc.php:36

actionadmin_initgkfunc.php:41

actionadmin_menugkfunc.php:42

Maintenance & Trust

Gatekeeper Maintenance & Trust

Maintenance Signals

WordPress version tested4.8.28

Last updatedOct 23, 2017

PHP min version

Downloads18K

Community Trust

Rating74/100

Number of ratings3

Active installs200

Alternatives

Gatekeeper Alternatives

Coming Soon Page & Maintenance Mode

responsive-coming-soon

Coming Soon Plugin and Maintenance Mode plugin with Launch page & site offline plugin for your Website while it's under construction.

3K 3 CVEs

CM E-Mail Blacklist – Simple email filtering for safer registration

cm-email-blacklist

Block unwanted email registrations on your site with this email blacklist plugin. Protect your site by preventing spam sign-ups.

800 3 CVEs

Maintenance Switch

maintenance-switch

Customize easily and switch in one-click to (native) maintenance mode from your backend or frontend.

600 1 unpatched

User Domain Whitelist

user-domain-whitelist

The User Domain Whitelist/Blacklist plugin limits user registration to only registrants with an email address from the domain white list provided by t …

300 1 CVE

My Maintenance Mode

my-maintenance-mode

Simple maintenance mode for a site.

200 No CVEs

Developer Profile

Gatekeeper Developer Profile

jamiewilson

1 plugin · 200 total installs

trust score

Avg Security Score

85/100

Avg Patch Time

30 days

View full developer profile

Detection Fingerprints

How We Detect Gatekeeper

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

Asset Fingerprints

Asset Paths

/wp-content/plugins/gatekeeper/images/banner_bg.png/wp-content/plugins/gatekeeper/images/banner_logo.png/wp-content/plugins/gatekeeper/images/bg_red.jpg/wp-content/plugins/gatekeeper/images/bg_green.jpg

Script Paths

/wp-content/plugins/gatekeeper/gk-jquery.min.js/wp-content/plugins/gatekeeper/style.min.css

Version Parameters

gatekeeper/style.min.css?ver=gatekeeper/gk-jquery.min.js?ver=

HTML / DOM Fingerprints

CSS Classes

gk-active-notifiergk-roundedgk-maingk-section-titlegk-toggle-statusgk-whitelist-tablegk-option-table

HTML Comments

+3 more

Data Attributes

data-toggle-status

JS Globals

GKPATH

FAQ