CVE-2021-32862
High
Description
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 may lead to cross-site scripting (XSS) vulnerabilities if these HTML notebooks are served by a web server (eg: nbviewer).
SeverityHigh
CVSS7.5
Exploit probability—
Product
Jupyter Nbconvert
PublishedAug 18, 2022
First seenAug 18, 2022
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- nbconvert6.5.1, 6.3.0a0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jupyter nbconvert | v ≤ 6.2.0 | — |
| debian debian_linux | 10.0 | — |
| nbconvertPyPI | v < 6.5.1, v < 6.3.0a0 | 6.5.1, 6.3.0a0 |
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