GHSA-4952-p58q-6crx

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    GHSA-4952-p58q-6crx

    Published: 23 Aug 2021Last Modified: 8 Jul 2026

    Summary: JupyterLab: XSS due to lack of sanitization of the action attribute of an html <form>

    Details: ### 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 [email protected]. Credit: Guillaume Jeanne from Google

    References: https://github.com/google/security-research/security/advisories/GHSA-c469-p3jp-2vhx, https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-4952-p58q-6crx, https://nvd.nist.gov/vuln/detail/CVE-2021-32797, https://github.com/jupyterlab/jupyterlab/commit/504825938c0abfa2fb8ff8d529308830a5ae42ed, https://github.com/pypa/advisory-database/tree/main/vulns/jupyterlab/PYSEC-2021-130.yaml

    Affected packages

    Package

    Name: jupyterlab

    Purl: pkg:pypi/jupyterlab

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.2.21

    Affected versions

    0.0.1
    0.0.10
    0.0.13
    0.0.2
    0.0.3
    0.0.4
    0.0.5
    0.0.6
    0.0.7
    0.0.8
    0.0.9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-4952-p58q-6crx | CVE-DB