01
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SQL Injection
Manipulate database queries to extract data, bypass authentication or escalate privileges. Present in real applications of all kinds.
OWASP Top 10
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Real labs
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Professional methodology
Web Hacking.
Learn to audit web applications with the OWASP Top 10.
Web hacking is the most in-demand area of offensive cybersecurity. SixHack Academy provides hands-on training with labs covering the full OWASP Top 10: SQL Injection, XSS, IDOR, SSRF and much more.
What is web hacking?
Web application auditing the way it's done in the industry
Web hacking is the offensive cybersecurity discipline focused on identifying and exploiting vulnerabilities in web applications with authorization. It is the most in-demand area of professional pentesting: the majority of attack surfaces that companies audit are web applications.
The industry standard is the OWASP Top 10: the ten most critical vulnerability categories in web applications. SQL Injection, Cross-Site Scripting (XSS), Insecure Direct Object Reference (IDOR), Server-Side Request Forgery (SSRF) and the other categories appear repeatedly in real engagements. Mastering them is not optional for a web pentester.
At SixHack Academy web hacking is learned by exploiting real vulnerabilities in our own labs, not by watching someone else do it in a video. Theory explains the why; labs build the judgment.
OWASP Top 10
The web vulnerabilities you will learn to exploit
The full OWASP Top 10 practiced in real labs.
02
📜
Cross-Site Scripting (XSS)
Inject scripts into web applications to steal sessions, redirect users or execute actions on their behalf. Reflected, stored and DOM-based, each with its own technique.
03
🔑
IDOR — Broken Access Control
Access other users' resources by manipulating identifiers in HTTP requests. One of the most frequent and high-impact flaws in real applications.
04
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SSRF
Force the server to make requests to internal services not accessible from outside. Critical in cloud environments and microservice architectures.
05
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Path Traversal & LFI
Access files outside the intended directory using relative path sequences. Can compromise server configuration files and credentials.
06
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Vulnerability chains
Combine several small flaws to demonstrate a large compromise. The differentiating skill between a junior and a senior auditor.
Courses
Web hacking courses at SixHack Academy
Two progressive levels of web auditing, from zero to advanced.
Active
WXJ
Web eXploitation Junior
The entry point to web hacking. Zero experience assumed. Networking, HTTP/HTTPS, Burp Suite, full OWASP Top 10 and real vulnerabilities (SQLi, XSS, IDOR, SSRF). Professional reporting included. Graduate as a junior pentester.
Active
WXE
Web eXploitation Expert
Advanced web hacking techniques: complex vulnerability chains, WAF bypasses, advanced business logic and professional audit scenarios. For those who master the basics and want to reach semi-senior level.
Free
CTF
Web hacking CTF Labs
Free web hacking challenge platform. SQL Injection, XSS, IDOR, SSRF and more OWASP techniques in controlled environments. Three difficulty levels and global leaderboard. The perfect entry point before a course.
What is the OWASP Top 10?
The OWASP Top 10 is the list of the ten most critical vulnerability categories in web applications, published and updated by the Open Web Application Security Project. It is the industry reference standard in web pentesting: every web application audit starts from these categories.
Mastering it is not optional for a web pentester. It is the first thing asked in interviews, accounts for 80% of findings in real audits and forms the basis of web bug bounty programs. At SixHack Academy the full OWASP Top 10 is covered from the first course.
FAQ
Frequently asked questions about web hacking
The most common questions before starting to learn web hacking.
What is web hacking?
The discipline of identifying and exploiting vulnerabilities in web applications with
authorization. Covers the OWASP Top 10: SQL Injection, XSS, IDOR, SSRF, path traversal,
file upload and more. The foundation of web pentesting and bug bounty.
What is the OWASP Top 10?
The list of the ten most critical vulnerability categories in web applications, published
by the Open Web Application Security Project. The industry reference standard in web
pentesting. At SixHack Academy it is covered in full from the first course.
How long does it take to learn web hacking?
Reaching junior-level web hacking takes 3 to 6 months with consistent practice.
The WXJ course builds that foundation from scratch with real labs for each technique.
What tools are used in web hacking?
Burp Suite (main web pentesting tool), FFUF (fuzzing), curl, browser DevTools.
The focus is methodological: understanding what each tool does and when to apply it.
Can I practice web hacking for free?
Yes. SixHack Academy's CTF Labs are completely free: open access after signup with no
credit card. Real challenges on SQL Injection, XSS, IDOR, SSRF and more with a global leaderboard.
Start with web hacking today
Practice free with CTF Labs or start directly with WXJ from scratch.
Where to go next
Web hacking is one specialism within a broader craft. To understand the full methodology of an audit, the pentesting course is the natural complement; and the best way to lock in what you learn is by practising in our hacking labs and solving real CTF challenges.