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Cross-Site Scripting and HTML Injection Testing

This skill should be used when the user asks to "test for XSS vulnerabilities", "perform cross-site scripting attacks", "identify HTML injection flaws", "exploit client-side injection vulnerabilities", "steal cookies via XSS", or "bypass co

  • Skills
  • Security
  • 3

What it does and how to use it

A skill that teaches Claude Code to do security tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/cross-site-scripting-and-html-injection-testing && curl -fsSL https://doutorai.pt/data/lib/skills__cross-site-scripting-and-html-injection-testing.md -o .claude/skills/cross-site-scripting-and-html-injection-testing/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
name: Cross-Site Scripting and HTML Injection Testing
description: This skill should be used when the user asks to "test for XSS vulnerabilities", "perform cross-site scripting attacks", "identify HTML injection flaws", "exploit client-side injection vulnerabilities", "steal cookies via XSS", or "bypass content security policies". It provides comprehensive techniques for detecting, exploiting, and understanding XSS and HTML injection attack vectors in web applications.
metadata:
  author: zebbern
  version: "1.1"
---

# Cross-Site Scripting and HTML Injection Testing

## Purpose

Execute c

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