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XSS/SQLi Scanner

Quick check for common injection vectors in web applications

Scanner Input
Scan code or files for vulnerabilities and malware
Scan Results
Vulnerability analysis results

Enter code and click "Scan Code" to see results

Security Best Practices
How to prevent common web vulnerabilities and malware

Preventing XSS

  • • Use output encoding (HTML, JavaScript, CSS)
  • • Implement Content Security Policy (CSP)
  • • Validate and sanitize all user input
  • • Use modern frameworks with built-in protection
  • • Avoid innerHTML and document.write with user data

Preventing SQL Injection

  • • Use prepared statements or parameterized queries
  • • Implement input validation and sanitization
  • • Use ORM frameworks when possible
  • • Apply principle of least privilege
  • • Regular security audits and testing

Malware Prevention

  • • Scan all uploaded files with antivirus
  • • Use file type validation and restrictions
  • • Implement sandboxing for file execution
  • • Keep antivirus definitions updated
  • • Monitor file system changes

Disclaimer: This scanner provides basic vulnerability and malware detection and should not replace comprehensive security testing. Always use professional security tools and services for production applications. VirusTotal integration requires API key configuration.