Phase 5 · Vulnerabilities & OWASP Top 10

Topics

Cross-Site Scripting (XSS)

Part of the Cybersecurity Roadmap.

Summary

Injecting malicious JavaScript into a page viewed by other users — stored, reflected, and DOM-based XSS are the three main variants, each exploiting insufficient output encoding.

How to Learn This

  • 1Practice identifying and exploiting XSS in a legal practice lab.
  • 2Learn the difference between stored, reflected, and DOM-based XSS.
  • 3Understand why proper output encoding (not just input validation) is the real fix.
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