8000 document.querySelector('p').textContent="XSS" and document.body.appendChild not being detected · Issue #3634 · coreruleset/coreruleset · GitHub
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document.querySelector('p').textContent="XSS" and document.body.appendChild not being detected #3634

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dune73 opened this issue Mar 27, 2024 · 2 comments · Fixed by #4055
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document.querySelector('p').textContent="XSS" and document.body.appendChild not being detected #3634

dune73 opened this issue Mar 27, 2024 · 2 comments · Fixed by #4055
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@dune73
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dune73 commented Mar 27, 2024 •
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$ curl -H "x-format-output: txt-matched-rules" http://sandbox.coreruleset.org/ -d "foo=document.querySelector('p').textContent=\"XSS\""
-- no output --

$ curl -H "x-format-output: txt-matched-rules" http://sandbox.coreruleset.org/ -d 'foo=document.body.appendChild(document.createElement("h1")).textContent = "XSS"'
-- no output --

The document.head.appendChild and document.querySelector should probably be enough to trigger an alert.
@dune73 dune73 changed the title docment.querySelector('p').textContent="XSS" not being detected document.querySelector('p').textContent="XSS" not being detected Mar 27, 2024
@dune73 dune73 changed the title document.querySelector('p').textContent="XSS" not being detected document.querySelector('p').textContent="XSS" and document.body.appendChild not being detected Mar 27, 2024
@azurit
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azurit commented Jun 21, 2024

Which rule should handle this? 941180?

@Xhoenix Xhoenix mentioned this issue Mar 28, 2025
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Xhoenix commented Mar 28, 2025

Created PR #4055

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feat: added new XSS payloads Xhoenix/coreruleset
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