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Preview of Hacksudo-CSP Headers Checker

Hacksudo-CSP Headers Checker by Hacksudo

Hacksudo: Checks Content Security Policy (CSP) and common security headers, highlighting missing or weak configurations based on OWASP best practices.

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Extension Metadata

About this extension
🔐 Hacksudo CSP & Security Headers Checker

Hacksudo CSP & Security Headers Checker is a lightweight security auditing extension designed for developers, security engineers, and penetration testers.

It analyzes the active webpage and reports:

🛡 Content Security Policy (CSP)
  • Detects CSP header and meta CSP
  • Lists configured directives
  • Highlights missing critical directives:
  • default-src
  • script-src
  • object-src
  • base-uri
  • frame-ancestors
  • Flags weak configurations such as:
  • unsafe-inline
  • unsafe-eval
  • Wildcard (*) usage
  • Missing clickjacking protection

🔎 Security Headers Analysis

The extension checks for modern security headers commonly recommended by OWASP:
  • Content-Security-Policy
  • Strict-Transport-Security (HSTS)
  • X-Frame-Options
  • X-Content-Type-Options
  • Referrer-Policy
  • Permissions-Policy
  • Cross-Origin-Opener-Policy (COOP)
  • Cross-Origin-Embedder-Policy (COEP)
  • Cross-Origin-Resource-Policy (CORP)

Each header is categorized as:
  • ✅ Set
  • ⚠ Missing
  • 🔴 Weak configuration

🎯 Use Cases
  • Web application security testing
  • VAPT assessments
  • Quick client-side header verification
  • Secure development validation
  • Learning CSP and browser hardening

🔐 Privacy & Data Collection

This extension does not collect, store, or transmit any user data.
All analysis is performed locally in the browser.
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Add-on Links
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Version
3.0
Size
17.96 KB
Last updated
5 days ago (Feb 12, 2026)
Related Categories
  • Web Development
  • Privacy & Security
  • Search Tools
License
Mozilla Public License 2.0
Version History
  • See all versions
Tags
  • security
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