🛡️ Sentinel: [security improvement] Harden CSP and secure dynamic buttons#133
🛡️ Sentinel: [security improvement] Harden CSP and secure dynamic buttons#133Shin5hi wants to merge 1 commit into
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…tons Harden the Content Security Policy by adding `form-action 'none'` and explicitly set the type of dynamically created buttons to 'button' as a defense-in-depth measure. Update CSP script hash to match content changes and add explanatory comments. Co-authored-by: Shin5hi <200498632+Shin5hi@users.noreply.github.com>
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🚨 Severity: MEDIUM (Security Enhancement)
💡 Vulnerability: Potential for form-based data exfiltration and unintended form submissions.
🎯 Impact: Reduces the attack surface by preventing unauthorized form submissions (even if injected) and ensuring consistent button behavior.
🔧 Fix: Added
form-action 'none'to CSP and explicitly settype='button'for dynamic elements.✅ Verification: Verified via Playwright script; confirmed no CSP violations in console and continued functionality of notification UI.
Changes:
form-action 'none'to the CSP meta tag.type = 'button'for the dynamically created close button in the script.script-srcto include the new code and comments.PR created automatically by Jules for task 18188033349764240465 started by @Shin5hi