XSS in Jupyter Notebook

CVE-2018-19351

Jupyter Notebook before 5.7.1 allows XSS via an untrusted notebook because nbconvert responses are considered to have the same origin as the notebook server. In other words, nbconvert endpoints can execute JavaScript with access to the ser…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.015 (71.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-19351?
CVE-2018-19351 is a medium-severity vulnerability in Jupyter Notebook, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-11-18.
How severe is CVE-2018-19351?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2018-19351 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.