
Custom CSS for WordPress Security & Risk Analysis
wordpress.org/plugins/custom-css-wpThe Easy and Lightweight Plugin to add custom CSS to your wordpress website. This plugin will help you to override Theme or Plugin CSS.
Is Custom CSS for WordPress Safe to Use in 2026?
Generally Safe
Score 85/100Custom CSS for WordPress has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.
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
Custom CSS for WordPress Security Vulnerabilities
Custom CSS for WordPress Code Analysis
Output Escaping
Custom CSS for WordPress Attack Surface
WordPress Hooks 5
Maintenance & Trust
Custom CSS for WordPress Maintenance & Trust
Maintenance Signals
Community Trust
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Custom CSS for WordPress Developer Profile
2 plugins · 190 total installs
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
/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/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.jsHTML / DOM Fingerprints
ace_print-margin-layerid="ccsswp_content"name="ccsswp_settings[ccsswp-content]"jQuery