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Date: Mon, 19 Mar 2018 11:53:13 +0000
From: Ricter Zheng <>
Subject: Re: CVE request: maliciously crafted notebook files in Jupyter

Hi Thomas Klutver,

I am a student from china major in information security, I'm very interest
about the vulnerability. I tried to reproduction the vulnerability but
failed, so can you provide some technology detail about it?

Thank you.
Ricter Zheng

Thomas Kluyver <>于2018年3月15日周四 下午10:27写道:

> Email address of requester:,,
> Software name: Jupyter Notebook (formerly IPython Notebook)
> Type of vulnerability: Maliciously forged file
> Attack outcome: Possible remote execution
> Vulnerability: A maliciously forged notebook file can bypass sanitization
> to execute Javascript in the notebook context. Specifically, invalid HTML
> is 'fixed' by jQuery after sanitization, making it dangerous.
> Affected versions:
> - notebook ≤ 5.4.0
> URI with issues:
> - GET /notebook/**
> Patches:  not yet finalised
> Mitigations:
> Upgrade to Jupyter notebook 5.4.1 or 5.5 once available.
> If using pip,
>     pip install --upgrade notebook
> For conda:
>     conda update conda
>     conda update notebook
> Vulnerability reported by , via Jonathan Kamens at
> Quantopian
> --
Ricter Z

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