Cross-site scripting in Jupyter Notebook - CVE-2018-19351

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in notebook/nbconvert/handlers.py. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Affected software

How to mitigate CVE-2018-19351

External References

• https://github.com/jupyter/notebook/blob/master/docs/source/changelog.rst
• https://github.com/jupyter/notebook/commit/107a89fce5f413fb5728c1c5d2c7788e1fb17491
• https://groups.google.com/forum/#!topic/jupyter/hWzu2BSsplY
• https://pypi.org/project/notebook/#history

Related Security Bulletins

• Cross-site scripting in Jupyter Notebook
• Arch Linux update for jupyter-notebook
• Ubuntu update for jupyter-notebook
• Fedora 29 update for python-notebook
• Fedora 28 update for python-notebook