Custom CSS to External File Security & Risk Analysis

wordpress.org/plugins/custom-css-to-external-file

A simple plugin that moves the WordPress Customizer CSS to an external file, improving performance and ensuring CSS persistence.

10 active installs v3.0 PHP 7.0+ WP 5.0+ Updated May 14, 2025
csscustomizeroptimizationperformance
92
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Custom CSS to External File Safe to Use in 2026?

Generally Safe

Score 92/100

Custom CSS to External File has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 1yr ago
Risk Assessment

The plugin "custom-css-to-external-file" v3.0 exhibits a strong security posture based on the provided static analysis and vulnerability history. The absence of dangerous functions, the exclusive use of prepared statements for SQL queries, and 100% output escaping indicate diligent development practices. Furthermore, the plugin demonstrates robust security by implementing nonce checks and avoiding external HTTP requests, minimizing potential attack vectors. The minimal attack surface with no unprotected entry points and no recorded vulnerabilities in its history reinforces this positive assessment.

Vulnerabilities
None known

Custom CSS to External File Security Vulnerabilities

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

Custom CSS to External File Release Timeline

v3.0Current
v1.0
Code Analysis
Analyzed Mar 16, 2026

Custom CSS to External File Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
0
2 escaped
Nonce Checks
1
Capability Checks
0
File Operations
2
External Requests
0
Bundled Libraries
0

Output Escaping

100% escaped2 total outputs
Data Flows · Security
All sanitized

Data Flow Analysis

2 flows
ccsef_display_admin_page (custom-css-to-external-file.php:85)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Custom CSS to External File Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 4
actioncustomize_save_aftercustom-css-to-external-file.php:38
actionwp_enqueue_scriptscustom-css-to-external-file.php:59
actionccsef_backup_eventcustom-css-to-external-file.php:65
actionadmin_menucustom-css-to-external-file.php:82

Scheduled Events 1

ccsef_backup_event
Maintenance & Trust

Custom CSS to External File Maintenance & Trust

Maintenance Signals

WordPress version tested6.8.5
Last updatedMay 14, 2025
PHP min version7.0
Downloads478

Community Trust

Rating0/100
Number of ratings0
Active installs10
Developer Profile

Custom CSS to External File Developer Profile

Vortica

1 plugin · 10 total installs

88
trust score
Avg Security Score
92/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Custom CSS to External File

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/custom-css-to-external-file/custom-css-to-external-file.php
Version Parameters
ccsef-customizer-css

HTML / DOM Fingerprints

Data Attributes
ccsef_saveccsef_save_settings
FAQ

Frequently Asked Questions about Custom CSS to External File