PYSEC-2018-12

    Dashboard / Vulnerabilities / PYSEC-2018-12

    PYSEC-2018-12

    Published: 2 Dec 2018Last Modified: 8 Nov 2023

    Summary:

    Details: An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.

    References: https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109, https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html, https://usn.ubuntu.com/3841-2/, https://usn.ubuntu.com/3841-1/, https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html, https://github.com/advisories/GHSA-xp26-p53h-6h2p

    Affected packages

    Package

    Name: lxml

    Purl: pkg:pypi/lxml

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -6be1d081b49c97cfd7b3fbd934a193b668629109

    Affected versions

    0.9
    0.9.1
    0.9.2

    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