Csp Assets May 2026

| Asset Type | Description | Management Strategy | | :--- | :--- | :--- | | | JavaScript files (first-party & third-party). | Use 'nonce-random' for dynamic scripts; 'sha256-hash' for static inline scripts. | | Style Assets | CSS files and inline styles. | Apply 'unsafe-inline' only if necessary; prefer nonces or hashes. | | Font Assets | Web fonts (e.g., .woff2). | Define font-src directive (e.g., font-src 'self' https://fonts.gstatic.com ). | | Image Assets | Images loaded via or CSS. | Use img-src 'self' data: https: for remote images. | | Connect Assets | APIs, WebSockets, EventSource. | Define connect-src (e.g., connect-src 'self' https://api.example.com ). |

# Crawl your site to list all assets csp-scanner scan https://yoursite.com --output assets.json csp assets

Most teams can't answer this instantly. Between first-party code, analytics tags, chatbots, and font CDNs, the list of grows daily. | Asset Type | Description | Management Strategy

CSP assets refer to the resources (scripts, styles, fonts, images) and the security tokens required to whitelist them. Properly managing these assets prevents XSS and data injection attacks. | Apply 'unsafe-inline' only if necessary; prefer nonces

✅ Allow 'self' ✅ Hash inline scripts ✅ Nonce dynamic tags ❌ Block 'unsafe-inline'

echo -n "alert('safe')" | openssl dgst -sha256 -binary | base64 Output: 'sha256-abc123...'

Here is developed content for (Content Security Policy Assets), tailored for different use cases: technical documentation, a pitch/summary, and social media/website copy. 1. Technical Documentation (For Developers & Security Engineers) Title: Managing CSP Assets: Nonces, Hashes, and Allowlist Configurations