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Characters allowed before image-set function

This vector shows what characters are allowed before the image-set() function with a nested url() function.

Shazzer Master

Created byhackvertor

Created Aug 6, 2026

Updated Sep 5, 2026

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CategoryCSS Parsing

VisibilityPublic

TypeXSS

CharsetUTF-8

Template used:

<div style=background:$[chr]image-set(url(https://fuzz.shazzer.co.uk/$[rand]?$[i]#))>

Sample payloads

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/zd1osku92la?92#))>

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/5p8c4tk2p1?92#))>

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/ueskwf20acb?92#))>

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/lir6riki3w?92#))>

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/btmhyqd7quu?92#))>

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/gsgbjg4didj?92#))>

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/5vtndrk8kqs?92#))>

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/yfqhafhrv2?92#))>

<div style=background:\image-set(url(https://fuzz.shazzer.co.uk/t1v9shhchem?92#))>