Membership Lock Security & Risk Analysis

wordpress.org/plugins/membership-lock

Membership Lock down lets you easily lock all post content including attached images, video, docs, and everything else.

20 active installs v2.5.0 PHP 5.6+ WP 4.6+ Updated Jan 9, 2024
lockmembers-onlymembershipmembershipsprivacy
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Membership Lock Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 2yr ago
Risk Assessment

The "membership-lock" v2.5.0 plugin exhibits a generally good security posture based on the provided static analysis. The absence of any identified attack surface points, dangerous functions, raw SQL queries, file operations, or external HTTP requests is a strong indicator of secure coding practices. The presence of nonces and capability checks, even with a limited number, further enhances its security. The plugin also boasts a clean vulnerability history with zero recorded CVEs, suggesting a history of stable and secure development.

However, a significant concern lies in the output escaping. With 55% of outputs properly escaped, a substantial 45% remain potentially unescaped. This could lead to cross-site scripting (XSS) vulnerabilities if sensitive data is displayed without proper sanitization. While the taint analysis did not reveal any flows, the insufficient output escaping presents a clear risk that needs to be addressed. The lack of any identified issues in taint analysis or attack surface could be due to the limited scope of the analysis performed, or it might genuinely reflect a very secure implementation. Nevertheless, the unescaped output is the most prominent weakness.

In conclusion, "membership-lock" v2.5.0 demonstrates a solid foundation of security principles, particularly in its limited attack surface and avoidance of common vulnerabilities. The lack of historical vulnerabilities is a positive sign. The primary area for improvement is the inconsistent output escaping, which poses a direct risk of XSS. Addressing this will significantly strengthen the plugin's overall security.

Key Concerns

  • Insufficient output escaping
Vulnerabilities
None known

Membership Lock Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Version History

Membership Lock Release Timeline

v2.5.0Current
v2.4.8
v2.4.6
v2.4.3
v2.4.1
v2.4.0
v2.3.7
v2.3.3
v2.3.1
v2.3.0
v2.1.8
v2.1.7
v2.1.6
v2.1.5
v2.1.4
v2.1.0
v2.0.3
v2.0.2
v2.0.1
v1.7.5
Code Analysis
Analyzed Mar 16, 2026

Membership Lock Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
14
17 escaped
Nonce Checks
1
Capability Checks
3
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

55% escaped31 total outputs
Attack Surface

Membership Lock Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 6
actioninitsrc\BasicAuth.php:73
actioninitsrc\LockItdown.php:48
actionadmin_initsrc\Settings\Register.php:20
actionadmin_menusrc\WPAdminPage\AdminPage.php:196
actionadmin_enqueue_scriptssrc\WPAdminPage\AdminPage.php:199
actionswa_footersrc\WPAdminPage\AdminPage.php:202
Maintenance & Trust

Membership Lock Maintenance & Trust

Maintenance Signals

WordPress version tested5.7.15
Last updatedJan 9, 2024
PHP min version5.6
Downloads3K

Community Trust

Rating0/100
Number of ratings0
Active installs20
Developer Profile

Membership Lock Developer Profile

uri

19 plugins · 1K total installs

87
trust score
Avg Security Score
90/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Membership Lock

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/membership-lock/admin/css/membership-lock.css/wp-content/plugins/membership-lock/admin/js/membership-lock.js
Script Paths
/wp-content/plugins/membership-lock/admin/js/membership-lock.js
Version Parameters
membership-lock/admin/css/membership-lock.css?ver=membership-lock/admin/js/membership-lock.js?ver=

HTML / DOM Fingerprints

CSS Classes
mlockdown_settings
Data Attributes
data-mlockdown-nonce
FAQ

Frequently Asked Questions about Membership Lock