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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 content security policies". It provides comprehensive techniques for detecting, exploiting, and understanding XSS and HTML injection attack vectors in web applications.

Packaged view

This page reorganizes the original catalog entry around fit, installability, and workflow context first. The original raw source lives below.

Stars
3,664
Hot score
99
Updated
March 20, 2026
Overall rating
C5.2
Composite score
5.2
Best-practice grade
C57.6

Install command

npx @skill-hub/cli install zebbern-claude-code-guide-xss-html-injection

Repository

zebbern/claude-code-guide

Skill path: skills/xss-html-injection

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.

Open repository

Best for

Primary workflow: Write Technical Docs.

Technical facets: Full Stack, Tech Writer, Security, Testing.

Target audience: Development teams looking for install-ready agent workflows..

License: Unknown.

Original source

Catalog source: SkillHub Club.

Repository owner: zebbern.

This is still a mirrored public skill entry. Review the repository before installing into production workflows.

What it helps with

  • Install Cross-Site Scripting and HTML Injection Testing into Claude Code, Codex CLI, Gemini CLI, or OpenCode workflows
  • Review https://github.com/zebbern/claude-code-guide before adding Cross-Site Scripting and HTML Injection Testing to shared team environments
  • Use Cross-Site Scripting and HTML Injection Testing for development workflows

Works across

Claude CodeCodex CLIGemini CLIOpenCode

Favorites: 0.

Sub-skills: 0.

Aggregator: No.

Cross-Site Scripting and HTML Injection Testing | SkillHub