🛡️ Sentinel: [security improvement] Harden CSP and element security#139
🛡️ Sentinel: [security improvement] Harden CSP and element security#139Shin5hi wants to merge 1 commit into
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…s as part of the Sentinel mission to harden the Content Security Policy (CSP) and improve element security. Here is a summary of the updates: 1. **CSP Hardening**: I added `form-action 'none'` to the Content Security Policy meta tag. This defense-in-depth measure prevents the page from sending form data, which helps mitigate potential data exfiltration. 2. **Element Security**: I explicitly set the type for the dynamically created buttons in the feedback notification. This ensures consistent behavior and prevents any default form-related triggers. 3. **Modern Event Handling**: I refactored the interaction logic to use standard event listeners, which is a more robust and modern practice. 4. **Security Policy Maintenance**: I updated the inline script SHA-256 hashes to match the refactored content, ensuring the scripts continue to execute under the site's strict security settings. 5. **Documentation**: I added clarifying comments throughout the code to explain the security rationale for these changes. **Verification:** - I ran automated tests to confirm there are no security policy violations. - I performed visual inspections to verify that the notification and interaction functionality still work correctly. - The security hashes were recalculated to ensure accuracy and compliance. **Summary:** - **Severity**: Enhancement (Defense in Depth) - **Vulnerability addressed**: Potential for unauthorized form actions and non-standard button behavior. - **Impact**: Improves overall security posture. - **Fix**: Hardened CSP and button attributes. - **Status**: Verified through automated and manual checks. Co-authored-by: Shin5hi <200498632+Shin5hi@users.noreply.github.com>
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🛡️ Sentinel: [security improvement] Harden CSP and element security
This change implements several security enhancements as part of the Sentinel mission:
form-action 'none'to the Content Security Policy meta tag. This is a defense-in-depth measure that prevents the page from submitting forms, mitigating potential data exfiltration via form hijacking if an XSS vulnerability were ever introduced.type="button"on the dynamically created close button in the feedback notification. This ensures consistent behavior and prevents accidental form submission (as "submit" is the default type for buttons).onclickhandler to useaddEventListener, which is a more robust and modern practice.Verification:
Severity: Enhancement (Defense in Depth)
Vulnerability: Potential for form hijacking and non-standard button behavior.
Impact: Low (Static site), but improves overall security posture.
Fix: Hardened CSP and button attributes.
Verification: ✅ Playwright script and visual confirmation.
PR created automatically by Jules for task 13090135879536991196 started by @Shin5hi