# Web

> Web application security testing skills organized by OWASP Top 10 2021 categories.

- Skill: `omkar-ukirde/web` (Agent Skill)
- Install (CLI): `npx skillmds@latest add omkar-ukirde/web`
- Raw SKILL.md: https://api.skillmd.com/api/skills/omkar-ukirde/web/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: omkar-ukirde (https://skillmd.com/u/omkar-ukirde)
- Updated: 2026-09-10
- Page: https://skillmd.com/skills/omkar-ukirde/web

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# Web Application Security Skills

Comprehensive web application penetration testing skills based on OWASP Top 10 2021.

## Categories

### OWASP Top 10 2021

| Category | Skills |
|----------|--------|
| [A01 - Broken Access Control](a01-broken-access-control/SKILL.md) | IDOR, CSRF, CORS, Open Redirect |
| [A03 - Injection](a03-injection/SKILL.md) | SQL, NoSQL, Command, SSTI, LDAP, XPath |
| [A04 - Insecure Design](a04-insecure-design/SKILL.md) | Race Condition, HPP |
| [A05 - Security Misconfiguration](a05-security-misconfiguration/SKILL.md) | XXE, File Upload, Subdomain Takeover |
| [A06 - Vulnerable Components](a06-vulnerable-components/SKILL.md) | Deserialization |
| [A07 - Auth Failures](a07-auth-failures/SKILL.md) | JWT, OAuth, Session, 2FA |
| [A08 - Data Integrity](a08-data-integrity-failures/SKILL.md) | HTTP Request Smuggling |
| [A10 - SSRF](a10-ssrf/SKILL.md) | SSRF, WebSocket |

### Additional Categories

| Category | Skills |
|----------|--------|
| [XSS](xss/SKILL.md) | Cross-Site Scripting, Clickjacking |
| [API Security](api-security/SKILL.md) | GraphQL, REST API |
| [File Attacks](file-attacks/SKILL.md) | LFI, RFI |
| [Web2 Recon](web2-recon/SKILL.md) | Recon pipeline, tech detection |
| [Web3 Audit](web3-audit/SKILL.md) | Smart contract audit, DeFi |
| [CVE Hunting](cve-hunting/SKILL.md) | Fetch latest web CVEs |

## Quick Reference

| Attack Type | Tool | Detection |
|-------------|------|-----------|
| SQLi | sqlmap | `'`, error-based |
| XSS | burpsuite | `<script>` reflection |
| SSRF | curl | Internal IP access |
| Command Injection | commix | `;`, `\|`, `&&` |

