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Characters allowed before url function with @import

This vector shows which characters are allowed before an URL function after the @import statement.

Shazzer Master

Created byhackvertor

Created Aug 6, 2026

Updated Sep 5, 2026

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CategoryCSS Parsing

VisibilityPublic

TypeJS

CharsetUTF-8

Template used:

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint($[i])+'url("https://fuzz.shazzer.co.uk/$[rand]?$[i]");';
document.head.appendChild(style);

Sample payloads

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(9)+'url("https://fuzz.shazzer.co.uk/wyzkhbpqs5r?9");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(10)+'url("https://fuzz.shazzer.co.uk/ppi4gyhe86?10");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(12)+'url("https://fuzz.shazzer.co.uk/zw5z4g3hnc?12");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(13)+'url("https://fuzz.shazzer.co.uk/61cbrtpqc7f?13");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(32)+'url("https://fuzz.shazzer.co.uk/sr0cx8uh6w?32");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(9)+'url("https://fuzz.shazzer.co.uk/ik4tb4ssa1?9");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(10)+'url("https://fuzz.shazzer.co.uk/jw9aq6o4b5?10");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(12)+'url("https://fuzz.shazzer.co.uk/pxwbg4aw86?12");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(13)+'url("https://fuzz.shazzer.co.uk/w7szhdlc2rl?13");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(32)+'url("https://fuzz.shazzer.co.uk/846skut2j1?32");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(9)+'url("https://fuzz.shazzer.co.uk/4a68pmk8s3v?9");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(10)+'url("https://fuzz.shazzer.co.uk/ow4almmig5j?10");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(12)+'url("https://fuzz.shazzer.co.uk/qt71v94kf7m?12");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(13)+'url("https://fuzz.shazzer.co.uk/qf6px0y3k4?13");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(32)+'url("https://fuzz.shazzer.co.uk/fpdmww8g7f?32");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(9)+'url("https://fuzz.shazzer.co.uk/30owtujn5xb?9");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(10)+'url("https://fuzz.shazzer.co.uk/x9cfb6uxsak?10");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(12)+'url("https://fuzz.shazzer.co.uk/z4itsey34vn?12");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(13)+'url("https://fuzz.shazzer.co.uk/xv3rs226nh7?13");';
document.head.appendChild(style);

const style = document.createElement("style");
style.textContent = '@import'+String.fromCodePoint(32)+'url("https://fuzz.shazzer.co.uk/77op8i1puwt?32");';
document.head.appendChild(style);