XSS in Jupyter Nbconvert
CVE-2021-32862
The GitHub Security Lab discovered sixteen ways to exploit a cross-site scripting vulnerability in nbconvert. When using nbconvert to generate an HTML version of a user-controllable notebook, it is possible to inject arbitrary HTML which m…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.011 (62.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Jupyter Nbconvert — versions <= 6.2
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
References
- security-advisories@github.com (Exploit, Third Party Advisory)
- security-advisories@github.com (Broken Link)
- security-advisories@github.com (mailing-list, Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-32862?
- CVE-2021-32862 is a high-severity vulnerability in Jupyter Nbconvert, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2022-08-18.
- How severe is CVE-2021-32862?
- High severity. CVSS v3 base score is 7.5 out of 10.