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    CVE-2020-11888

    python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match succeeds. For example, an attack might use elementname@ or elementname- with an onclick attribute.

    Published:Apr 20, 2020
    Last Modified:Nov 21, 2024
    EPS:Apr 20, 2020
    EPSS Score:0.0065
    CVSS Score:6.1

    Affected Products

    Vendor
    Python-markdown2 Project
    Product
    Python-markdown2

    Exploits

    https://github.com/trentm/python-markdown2/issues/348https://github.com/trentm/python-markdown2/issues/348

    References

    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00035.html
    https://github.com/trentm/python-markdown2/issues/348
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED/
    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00031.html
    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00035.html
    https://github.com/trentm/python-markdown2/issues/348
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED/

    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