Customizer UI Security & Risk Analysis

wordpress.org/plugins/customizer-user-interface

Designed to help WordPress developers quickly and easily add Customizer sections and controls.

40 active installs v1.1.0 PHP 7.2.0+ WP 5.2+ Updated Mar 8, 2021
customizeruiuser-interface
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Customizer UI Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 5yr ago
Risk Assessment

Based on the static analysis and vulnerability history, the "customizer-user-interface" plugin version 1.1.0 appears to have a strong security posture. The absence of any known CVEs, coupled with the use of prepared statements for all SQL queries and no observed critical or high severity taint flows, suggests good development practices. The plugin also has a minimal attack surface, with no detected AJAX handlers, REST API routes, shortcodes, or cron events, which reduces the potential entry points for attackers.

However, there are some areas for concern. The most notable is the relatively low percentage (52%) of properly escaped output. This could potentially lead to cross-site scripting (XSS) vulnerabilities if user-supplied data is rendered without sufficient sanitization. Additionally, the presence of a file operation without further context raises a slight flag, as this could be a vector for exploits if not handled securely. While the vulnerability history is clean, the limited scope of static analysis means that deeper, more complex vulnerabilities might still exist.

Overall, the plugin demonstrates strengths in its limited attack surface and secure SQL handling. The primary weakness lies in the output escaping, which warrants attention. The lack of any recorded vulnerabilities is a positive indicator, but the identified code signals should not be ignored, especially the unescaped outputs.

Key Concerns

  • Low output escaping percentage
  • Presence of file operation
Vulnerabilities
None known

Customizer UI Security Vulnerabilities

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

Customizer UI Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
31
34 escaped
Nonce Checks
0
Capability Checks
0
File Operations
1
External Requests
0
Bundled Libraries
0

Output Escaping

52% escaped65 total outputs
Data Flows
All sanitized

Data Flow Analysis

2 flows
ControlForm (inc\Forms\AdminPageForms.php:144)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Customizer UI Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 9
actionadmin_enqueue_scriptsinc\Base\Enqueue.php:11
actionplugins_loadedinc\Data\DatabaseUpgrades.php:13
actionadmin_menuinc\Pages\Admin.php:17
actionadmin_initinc\Pages\Admin.php:20
actioncustomize_registerinc\Pages\Customizer.php:25
actionadmin_menuinc\Pages\SectionManager.php:17
actionadmin_initinc\Pages\SectionManager.php:20
actionadmin_menuinc\Pages\Settings.php:18
actionadmin_initinc\Pages\Settings.php:21
Maintenance & Trust

Customizer UI Maintenance & Trust

Maintenance Signals

WordPress version tested5.7.15
Last updatedMar 8, 2021
PHP min version7.2.0
Downloads2K

Community Trust

Rating80/100
Number of ratings1
Active installs40
Developer Profile

Customizer UI Developer Profile

cperko

1 plugin · 40 total installs

84
trust score
Avg Security Score
85/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Customizer UI

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/customizer-user-interface/assets/wpcui.js/wp-content/plugins/customizer-user-interface/assets/wpcui.css
Script Paths
/wp-content/plugins/customizer-user-interface/assets/wpcui.js
Version Parameters
customizer-user-interface/assets/wpcui.js?ver=customizer-user-interface/assets/wpcui.css?ver=

HTML / DOM Fingerprints

FAQ

Frequently Asked Questions about Customizer UI