🛡️ Sentinel: Enhance CSP with Trusted Types for DOM XSS prevention - #139
🛡️ Sentinel: Enhance CSP with Trusted Types for DOM XSS prevention#139keough99 wants to merge 1 commit into
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Adds require-trusted-types-for 'script' and trusted-types 'none' to the Content Security Policy across all static HTML files to protect against potential DOM-based Cross-Site Scripting (XSS). Co-authored-by: keough99 <13394623+keough99@users.noreply.github.com>
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🚨 Severity: ENHANCEMENT
💡 Vulnerability: Missing protection against DOM-based XSS via unsafe sinks.
🎯 Impact: A malicious script or future vulnerable code change could exploit DOM sinks (like innerHTML) to execute arbitrary JavaScript, potentially leading to XSS.
🔧 Fix: Enhanced the Content-Security-Policy to include
require-trusted-types-for 'script'andtrusted-types 'none', which completely disables unsafe DOM sinks since the static site safely relies on textContent.✅ Verification: Run the Python test suite and confirm that the site remains functional without console errors, and verify the CSP string in HTML headers.
PR created automatically by Jules for task 4433260376103841557 started by @keough99