CVE-2018-21030

Description

Jupyter Notebook before 5.5.0 does not use a CSP header to treat served files as belonging to a separate origin. Thus, for example, an XSS payload can be placed in an SVG document.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.10%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/jupyter/notebook/pull/3341 third party advisory patch
https://github.com/jupyter/notebook/releases/tag/5.5.0 third party advisory release notes
https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html mailing list

Frequently Asked Questions

What is the severity of CVE-2018-21030?
CVE-2018-21030 has been scored as a medium severity vulnerability.
How to fix CVE-2018-21030?
To fix CVE-2018-21030, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-21030 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-21030 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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