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    Shazzer logo

    Shazzer
    Shared online fuzzer

    Fuzzing browsers since 2012

    Made by Gareth Heyes
    Follow me on Twitter: @garethheyes

    Javascript for hackers!

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    The Spanner logo

    If you liked this, you may also like Hackvertor, The Spanner

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    Recently updated vectors
    Characters allowed javascript and colonCharacters that can precede the javascript protocolCharacters allowed between hostname and / but don't change the hostnameURL domain dot alternativesEntities that cause an external URL before @Escape inline double quoteCharacters allowed before host name that are ignored
    New vectors
    Characters allowed before host name that are ignoredUrl parsing diff b/w anchor.href and new URLScheme slash alternatives in URL() when a base is usedtest_protocolCharacters that end unencapsulated HTML attribute valuesUnicode characters with a decomposition of 2+ ASCII characters and are registerable domainsURL scheme separator alternatives copyhCharacters allowed in the protocol that still resolve host nameChars that can be used as opening bracket in innerHTMLFuzzing for Max sanitized input (simplified)test-idCSS inline property definitionCharacters that starts element nameEscape inline double quoteCharacters allowed before the JavaScript protocol colonChars allowed between src and = in img tagCharacters Allowed Between Protocol // and localhost Where Host Still Equals localhostUrl parsing diff b/w window.open and new URLCharacters ending XML Processing Instructions (WIP)Tags that DO NOT support HTML comments
    Most popular
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    Most liked
    URL domain dot alternatives (5)Entities that cause an external URL before @ (4)HTML entities that create ASCII characters inside a JavaScript URL (4)JavaScript Scheme starting with https:// (4)Characters allowed between hostname and / but don't change the hostname (4)Characters that cause an external URL before @ (3)Characters allowed javascript and colon (3)Characters that can precede the javascript protocol (3)Characters allowed after hostname but don't change the hostname (2)Characters that cause exceptions when URL encoded (2)Characters allowed between multiple HTML attributes (2)Properties that contain URLs (2)Unicode characters that get normalized into path traversal characters (2)Characters that can start an HTML comment (2)HTML elements that are self closing or different text content (2)Characters appended at the end of TLD within URL, which yield in the same Origin (2)Characters allowed in-between operators (2)Characters that can be used as valid labels in JavaScript (2)Characters allowed after optional chaining (2)All events on window (1)