
Insert JavaScript and CSS Security & Risk Analysis
wordpress.org/plugins/insert-javascript-cssAdds fields to the post and page edit pages that allow you to insert custom JavaScript or CSS for that post or page.
Is Insert JavaScript and CSS Safe to Use in 2026?
Generally Safe
Score 85/100Insert JavaScript and CSS has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.
The "insert-javascript-css" v0.2 plugin presents a mixed security posture. On the positive side, the static analysis indicates a lack of direct attack surface through AJAX, REST API, shortcodes, or cron events. Furthermore, all SQL queries are properly prepared, and there are no recorded vulnerabilities (CVEs), which suggests good development practices regarding external threats. However, a significant concern arises from the complete absence of output escaping for all identified output points. This means that any data processed or displayed by the plugin could potentially be rendered directly in the user's browser without sanitization, opening the door to cross-site scripting (XSS) vulnerabilities. While the plugin doesn't appear to have a history of known vulnerabilities, the lack of output escaping is a fundamental security oversight that could be exploited.
Key Concerns
- Unescaped output detected
Insert JavaScript and CSS Security Vulnerabilities
Insert JavaScript and CSS Code Analysis
Output Escaping
Insert JavaScript and CSS Attack Surface
WordPress Hooks 7
Maintenance & Trust
Insert JavaScript and CSS Maintenance & Trust
Maintenance Signals
Community Trust
Insert JavaScript and CSS Alternatives
Insert JS or CSS in post via Custom Field
insert-js-or-css-in-post-via-custom-field
This plugin will insert urls of JavaScript or CSS stylesheet files added into a particular posts or page via Custom Fields.
Asset CleanUp: Page Speed Booster
wp-asset-clean-up
Make your website load FASTER by stopping specific styles (.CSS) & scripts (.JS) from loading. It works best with a page caching plugin / service.
Raw HTML
raw-html
Lets you use raw HTML or any other code in your posts. You can also disable smart quotes and other automatic formatting on a per-post basis.
Post/Page Specific Custom Code
postpage-specific-custom-css
Add custom CSS to posts, pages, or WooCommerce products, with optional archive support. Includes a dedicated editor box.
Custom CSS and JS
custom-css-and-js
Custom CSS and JavaScript allows you to add custom internal and external CSS and JavaScripts to individual posts.
Insert JavaScript and CSS Developer Profile
3 plugins · 420 total installs
How We Detect Insert JavaScript and CSS
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/insert-javascript-css/js/ijsc.js/wp-content/plugins/insert-javascript-css/css/ijsc.css/wp-content/plugins/insert-javascript-css/js/ijsc.jsHTML / DOM Fingerprints
ijsc-viewijsc-insertJSijsc-insertCSSijsc-helpijsc-js-messagedata-childdata-colordata-bwdata-editdata-insertijsc.initPostPage