JupyterLab: XSS due to lack of sanitization of the action attribute of an html <form>
### Impact Untrusted notebook can execute code on load. This is a remote code execution, but requires user action to open a notebook. ### Patches Patched in the following versions: 3.1.4, 3.0.17, 2.3.2, 2.2.10, 1.2.21. ### References [OWASP Page on Restricting Form Submissions](https://cheatsheetseries.owasp.org/cheatsheets/Content_Security_Policy_Cheat_Sheet.html) ### For more information If you have any questions or comments about this advisory, or vulnerabilities to report, please email our security list security@ipython.org. Credit: Guillaume Jeanne from Google
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-32797US | critical9.6 | — | ||
JupyterLab is a user interface for Project Jupyter which will eventually replace the classic Jupyter Notebook. In affected versions untrusted notebook can execute code on load. In… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/advisories/GHSA-4952-p58q-6crxADVISORY
- https://github.com/google/security-research/security/advisories/GHSA-c469-p3jp-2vhxWEB
- https://github.com/jupyterlab/jupyterlab/commit/504825938c0abfa2fb8ff8d529308830a5ae42edWEB
- https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-4952-p58q-6crxWEB
- https://github.com/pypa/advisory-database/tree/main/vulns/jupyterlab/PYSEC-2021-130.yamlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-32797ADVISORY
- https://pypi.org/project/notebookPACKAGE
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