Simple Site Lockdown Security & Risk Analysis

wordpress.org/plugins/simple-site-lockdown

Provides a really simple mechanism for locking down a site so that it's private to all but logged in admin users.

100 active installs v1.1.1 PHP + WP 2.0.0+ Updated Sep 3, 2014
blockblockingmaintenanceprivacy
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Simple Site Lockdown Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 11yr ago
Risk Assessment

The static analysis of simple-site-lockdown v1.1.1 reveals a very clean codebase with no apparent vulnerabilities detected through code signals or taint analysis. The plugin exhibits excellent security practices, such as 100% usage of prepared statements for SQL queries and proper output escaping. The attack surface is also minimal, with zero AJAX handlers, REST API routes, shortcodes, or cron events, and crucially, no unprotected entry points were identified. This indicates a strong focus on secure coding within the plugin's development.

The vulnerability history further reinforces this positive assessment. The absence of any known CVEs, past or present, suggests a consistently secure development lifecycle. There are no recorded common vulnerability types, and no recent vulnerabilities, implying a stable and secure plugin. The combination of a clean code analysis and a spotless vulnerability history presents a very low-risk profile for this plugin.

While the plugin demonstrates exceptional security in its current state, the complete lack of capability checks and nonce checks is a noteworthy point. Although the attack surface is currently zero, if functionality were to be added in the future without proper authentication and authorization mechanisms, it could introduce risks. However, based solely on the provided data, simple-site-lockdown v1.1.1 appears to be a highly secure and well-maintained plugin.

Key Concerns

  • No capability checks found
  • No nonce checks found
Vulnerabilities
None known

Simple Site Lockdown Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 16, 2026

Simple Site Lockdown Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
0
0 escaped
Nonce Checks
0
Capability Checks
0
File Operations
0
External Requests
0
Bundled Libraries
0
Attack Surface

Simple Site Lockdown Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 1
actionsend_headerssimple-site-lockdown.php:30
Maintenance & Trust

Simple Site Lockdown Maintenance & Trust

Maintenance Signals

WordPress version tested4.0.38
Last updatedSep 3, 2014
PHP min version
Downloads10K

Community Trust

Rating100/100
Number of ratings7
Active installs100
Developer Profile

Simple Site Lockdown Developer Profile

Philip John

7 plugins · 430 total installs

84
trust score
Avg Security Score
86/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Simple Site Lockdown

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

Asset Fingerprints

HTML / DOM Fingerprints

FAQ

Frequently Asked Questions about Simple Site Lockdown