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offensive-xss

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Network or broad shell
Last checked
Nov 2, 2026

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Oct 12, 2026
License
MIT

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# SKILL: Cross-Site Scripting (XSS)

## Metadata
- **Skill Name**: xss
- **Folder**: offensive-xss
- **Source**: https://github.com/SnailSploit/offensive-checklist/blob/main/xss.md

## Description
Cross-Site Scripting testing checklist: stored/reflected/DOM/blind XSS discovery, polyglot payloads, CSP bypass, XSS filter bypass, event handler injection, DOM clobbering, mutation XSS, and impact escalation (session hijack, phishing, keylogging). Use for web app XSS testing and bug bounty.

## Trigger Phrases
Use this skill when the conversation involves any of:
`XSS, cross-site scripting, stored XSS, reflected XSS, DOM XSS, blind XSS, CSP bypass, XSS filter bypass, polyglot, DOM clobbering, mutation XSS, event handler injection`

## Instructions for Claude