🛡️ Sentinel: [security improvement] Harden CSP and Referrer Policy#119
🛡️ Sentinel: [security improvement] Harden CSP and Referrer Policy#119Shin5hi wants to merge 1 commit into
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This PR enhances the security posture of the application by hardening the Content Security Policy (CSP) and implementing a strict Referrer Policy. 🚨 Severity: MEDIUM 💡 Vulnerability: Permissive CSP and missing Referrer Policy. 🎯 Impact: High risk of XSS via inline scripts/styles if the app grows; potential leakage of sensitive URL information to third parties. 🔧 Fix: - Hardened CSP by removing 'unsafe-inline' and whitelisting legitimate inline blocks via SHA-256 hashes. - Added 'object-src none', 'base-uri self', and 'upgrade-insecure-requests' to CSP. - Implemented 'no-referrer' policy via meta tag. - Refactored dynamic button creation to avoid 'onclick' and ensure correct button typing. ✅ Verification: Verified via Playwright script ensuring no CSP violations in console and full functionality of the UI. Changes: - Modified index.html to update CSP and add Referrer Policy. - Refactored JavaScript in index.html for better event handling and security. Co-authored-by: Shin5hi <200498632+Shin5hi@users.noreply.github.com>
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Harden the application's security by implementing a more restrictive Content Security Policy (CSP) using SHA-256 hashes for inline styles and scripts, and adding a 'no-referrer' policy. The JavaScript in
index.htmlwas also refactored to useaddEventListenerand explicitly set button types for dynamically created elements.PR created automatically by Jules for task 4180396690200790236 started by @Shin5hi