Custom CSS for WordPress Security & Risk Analysis

wordpress.org/plugins/custom-css-wp

The Easy and Lightweight Plugin to add custom CSS to your wordpress website. This plugin will help you to override Theme or Plugin CSS.

100 active installs v1.0.0 PHP + WP 3.9+ Updated Oct 23, 2016
csscustomcustom-csscustom-stylesheetmy-custom-css
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Custom CSS for WordPress Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 9yr ago
Risk Assessment

The "custom-css-wp" v1.0.0 plugin exhibits a strong security posture based on the provided static analysis. The complete absence of detected dangerous functions, external HTTP requests, file operations, and SQL queries not using prepared statements is a significant positive indicator. Furthermore, the lack of detected taint flows and a clean vulnerability history with zero recorded CVEs further reinforce this assessment. The plugin appears to adhere to good coding practices by minimizing its attack surface and employing secure methods for its operations.

Despite the overwhelmingly positive indicators, there are minor areas for potential improvement. The static analysis shows that 20% of output is not properly escaped, which could theoretically lead to cross-site scripting (XSS) vulnerabilities if the unescaped data originates from user input and is rendered in an unsafe context. Additionally, the complete absence of nonce checks and capability checks on entry points, while not immediately indicating a vulnerability given the zero detected entry points, represents a missed opportunity to implement robust authorization and protection mechanisms, especially if the plugin's functionality were to expand in the future.

Overall, "custom-css-wp" v1.0.0 is a highly secure plugin. The strengths in avoiding common vulnerability patterns and maintaining a clean history far outweigh the minor concerns. The primary area to monitor would be the unescaped output and to ensure that any future additions to the plugin do not introduce vulnerabilities, particularly in how user-provided data is handled and displayed.

Key Concerns

  • Unescaped output detected
  • No nonce checks on entry points
  • No capability checks on entry points
Vulnerabilities
None known

Custom CSS for WordPress Security Vulnerabilities

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

Custom CSS for WordPress Code Analysis

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

Output Escaping

80% escaped5 total outputs
Attack Surface

Custom CSS for WordPress Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 5
actionwp_enqueue_scriptscustom-css-wp.php:44
actionplugins_loadedcustom-css-wp.php:64
actionadmin_enqueue_scriptscustom-css-wp.php:94
actionadmin_menucustom-css-wp.php:100
actionadmin_initcustom-css-wp.php:107
Maintenance & Trust

Custom CSS for WordPress Maintenance & Trust

Maintenance Signals

WordPress version tested4.6.30
Last updatedOct 23, 2016
PHP min version
Downloads6K

Community Trust

Rating0/100
Number of ratings0
Active installs100
Developer Profile

Custom CSS for WordPress Developer Profile

Chetan Prajapati

2 plugins · 190 total installs

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

How We Detect Custom CSS for WordPress

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-wp/assets/ace/ace.js/wp-content/plugins/custom-css-wp/assets/jquery-ace.min.js/wp-content/plugins/custom-css-wp/assets/ace/mode-css.js
Script Paths
/wp-content/plugins/custom-css-wp/assets/ace/ace.js/wp-content/plugins/custom-css-wp/assets/jquery-ace.min.js/wp-content/plugins/custom-css-wp/assets/ace/mode-css.js

HTML / DOM Fingerprints

CSS Classes
ace_print-margin-layer
Data Attributes
id="ccsswp_content"name="ccsswp_settings[ccsswp-content]"
JS Globals
jQuery
FAQ

Frequently Asked Questions about Custom CSS for WordPress