CVE-2017-16876

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    CVE-2017-16876

    Published: 29 Dec 2017Last Modified: 26 Aug 2026

    Summary:

    Details: Cross-site scripting (XSS) vulnerability in the _keyify function in mistune.py in Mistune before 0.8.1 allows remote attackers to inject arbitrary web script or HTML by leveraging failure to escape the "key" argument.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC/, https://github.com/lepture/mistune/blob/master/CHANGES.rst, https://bugzilla.redhat.com/show_bug.cgi?id=1524596, https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -cef69acaa506567595e95ab6ecea25a806de622e

    Affected versions

    v0.8

    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