Skill

Web vulnerabilities (OWASP)

XSS, SQLi, CSRF, SSRF — as classes of bugs, practiced only in legal labs.

Open learning workspace in Junior Cybersecurity Professional

Do these first

HTML & CSS SQL fundamentals

What you will be able to do

Explain XSS vs SQLi in one sentence each
Use PortSwigger labs, never random websites
Fix the bug in your own code after exploiting the lab

Curated resources

Start with the pick, then branch out

Scores are LearnPath editorial opinions (clarity, cost, freshness, project density) — not an objective ranking. Every YouTube item is embedded officially after a click-to-load facade.

Project-based

LearnPath pickinteractiveintermediate

PortSwigger Web Security Academy — XSS

PortSwigger2h

Legal labs. Never test systems you do not own or have written permission to test.

Score 96

Open

Official docs

Alternativedocumentationintermediate

OWASP Top 10

OWASP1h 30m

Memorize the classes of bugs, then exploit them only in legal labs.

Score 96

Open

1h 27mLearnPath pick

More curatedyoutube courseintermediate

OWASP API Security Top 10 Course – Secure Your Web Apps

freeCodeCamp.org1h 27m

Eighty-seven minutes walking the OWASP API Security Top 10 with exploitable examples and fixes for each category. APIs are where modern breaches happen and this is the most practical free treatment verified.

Score 84

Watch

46 minBest for beginners

Introduction to Web Security | Web Security Crash Course

Mehul Mohan46 min

Forty-six minutes that demonstrate the classic web vulnerabilities — XSS, CSRF, SQL injection, session issues — in a browser, so the abstract categories become visible attacks.

Score 72

Watch