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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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    New users
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    Popular users
    hackvertor (37)renniepak (9)JorianWoltjer (6)joaxcar (5)albinowax (5)RenwaX23 (4)0x999-x (4)masatokinugawa (3)d0ge (2)hansmach1ne (2)AyushXtha (2)freddyb (1)B-i-t-K (1)ThomasOrlita (1)koto (1)DreyAnd (1)jonathann403 (1)securaji (1)InsertScript (1)K4r1it0 (1)
    Recently updated vectors
    Properties are accessible in a sandboxed iframeProperties that are accessible on locationCharacters allowed before the JavaScript protocolNamed HTML entities that can be closed with !Characters matching RegEx /\w/uiValid space characters in a regex
    New vectors
    Valid space characters in a regexUnicode "Latin" characters using \p{scx=Latin} RegExCharacters matching RegEx /\w/uiCharacters allowed in between // in absolute URLcharacters between function name and parenthesesCharacters allowed begin from a forward slash character in javascript protocolCharacters allowed while closing script tagCharacters after https URI scheme which prevent URL parsing of hrefchars before img tagsChars allowed before style attribute...Characters allowed before after onerror eventsElectron XSS TESTCharacters allowed in between @importdsqdClosing title tag name separatorsmasato - braves parsing finding entity testmasato - braves parsing finding valid charactersmasato - braves parsing finding valid attributesmasato - braves parsing findingNamed HTML entities that can be closed with !
    Most popular
    URL domain dot alternatives (6k)Characters allowed javascript and colon (5.8k)JavaScript Scheme starting with https:// (5.8k)Characters between < and element name (5.2k)Characters that can precede the javascript protocol (4.9k)DOM element relationships (4.9k)Characters allowed between hostname and / but don't change the hostname (4.9k)Characters allowed javascript and colon copy2 (4.4k)characters allowed between exclamation mark and greater then (4.2k)HTML entities that create ASCII characters inside a JavaScript URL (4.1k)< removal bypass (4.1k)Character that closes HTML tag (3.6k)Characters that close or encapsulate HTML attribute values (3.6k)Entities that cause an external URL before @ (3.4k)Characters that cause exceptions when URL encoded (3.3k)Characters appended at the end of TLD within URL, which yield in the same Origin (3.3k)Includes Validation Chars Allowed (3.3k)Characters allowed between multiple HTML attributes (3.3k)Characters allowed in-between operators (3.2k)Characters allowed after hostname but don't change the hostname (3.2k)
    Most liked
    URL domain dot alternatives (5)JavaScript Scheme starting with https:// (4)Characters allowed between hostname and / but don't change the hostname (4)Characters allowed between multiple HTML attributes (4)HTML entities that create ASCII characters inside a JavaScript URL (4)Entities that cause an external URL before @ (4)Characters that cause an external URL before @ (3)Characters allowed inside javascript protocol and still returns the hostname (3)Characters allowed while closing script tag (3)Characters allowed javascript and colon (3)Characters that can precede the javascript protocol (3)Characters that cause exceptions when URL encoded (2)Properties that contain URLs (2)Characters allowed after hostname but don't change the hostname (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)