Defense Suite

Secure the Application

Identify vulnerable server-side Express script files, inspect stack warning frameworks, and toggle defense headers to protect servers.

Progress1 of 4 (25%)

bug-component.tsx

// Node Express secure server config
app.use((req, res, next) => {
  // No Content-Security-Policy is set
  res.setHeader("X-Frame-Options", "DENY");
  next();
});

● Warning:

Script injections execute freely. Browser loads script resources from unvetted domain names.

Case Details

Case #1: The Missing CSP Banner

An app has zero Content Security Policy headers defined. A script injection vulnerability in a dependency is letting attackers pull malicious CDNs and run inline inline-hashes.

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