GHSA-v9v9-xffq-rwr4

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    GHSA-v9v9-xffq-rwr4

    Published: 17 May 2022Last Modified: 20 Sept 2024

    Summary: Improper Neutralization of Input During Web Page Generation in html5lib

    Details: The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of the < (less than) character in attribute values.

    References: https://nvd.nist.gov/vuln/detail/CVE-2016-9909, https://github.com/html5lib/html5lib-python/issues/11, https://github.com/html5lib/html5lib-python/issues/12, https://github.com/html5lib/html5lib-python/commit/9b8d8eb5afbc066b7fac9390f5ec75e5e8a7cab7, https://github.com/advisories/GHSA-v9v9-xffq-rwr4, https://github.com/html5lib/html5lib-python, https://github.com/pypa/advisory-database/tree/main/vulns/html5lib/PYSEC-2017-14.yaml, https://html5lib.readthedocs.io/en/latest/changes.html#b9, https://web.archive.org/web/20161229134056/http://www.securityfocus.com/bid/95132, http://www.openwall.com/lists/oss-security/2016/12/06/5, http://www.openwall.com/lists/oss-security/2016/12/08/8

    Affected packages

    Package

    Name: html5lib

    Purl: pkg:pypi/html5lib

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.999999999

    Affected versions

    0.10

    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-v9v9-xffq-rwr4 | CVE-DB