CFG-004high SeveritySecurity Misconfiguration & Headers
X-Frame-Options: DENY or SAMEORIGIN (Clickjacking Protection)
AI apps often overlook frame protection headers, allowing malicious websites to embed the app in invisible iframes.
1-Click Fix Prompt for Cursor & Claude Code
Review my codebase for "X-Frame-Options: DENY or SAMEORIGIN (Clickjacking Protection)" (CFG-004). Issue: AI apps often overlook frame protection headers, allowing malicious websites to embed the app in invisible iframes. Remediation required: Set X-Frame-Options: DENY or use frame-ancestors 'none' in your Content Security Policy. Please: 1. Locate any occurrences of this issue across my repository. 2. Refactor the code to follow production standards without breaking existing functionality. 3. Provide a clear command or step to test and verify the fix.
Why AI Assistants Write This Bug
AI apps often overlook frame protection headers, allowing malicious websites to embed the app in invisible iframes.
AI code generation prioritizes immediate syntax execution over production edge cases. When an assistant hits an undefined variable or strict type error, it frequently takes the path of least resistance rather than implementing standard pre-launch security patterns.
Code Comparison
Common AI Code PatternVulnerable
// Vulnerable AI-generated pattern for: X-Frame-Options: DENY or SAMEORIGIN (Clickjacking Protection)
// Problematic pattern: AI apps often overlook frame protection headers, allowing malicious websites to embed the app in invisible iframes.Launch-Ready Fix
// Production-ready fix for: X-Frame-Options: DENY or SAMEORIGIN (Clickjacking Protection)
// Recommended remediation: Set X-Frame-Options: DENY or use frame-ancestors 'none' in your Content Security Policy.Remediation & Verification Checklist
Remediation: Set X-Frame-Options: DENY or use frame-ancestors 'none' in your Content Security Policy.
- Search your codebase for pattern matching "X-Frame-Options: DENY or SAMEORIGIN (Clickjacking Protection)".
- Apply the recommended remediation: Set X-Frame-Options: DENY or use frame-ancestors 'none' in your Content Security Policy.
- Run local build and test commands to ensure no regressions.
- Verify in your browser or with curl that the issue is resolved.
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