UBUNTU-CVE-2023-44270

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    UBUNTU-CVE-2023-44270

    Published: 29 Sept 2023Last Modified: 20 May 2026
    Upstream:
    CVE-2023-44270

    Summary:

    Details: An issue was discovered in PostCSS before 8.4.31. The vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being included in a comment.

    References: https://ubuntu.com/security/CVE-2023-44270, https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5, https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25, https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5, https://github.com/postcss/postcss/releases/tag/8.4.31, https://www.cve.org/CVERecord?id=CVE-2023-44270

    Affected packages

    Package

    Name: node-postcss

    Purl: pkg:deb/ubuntu/node-postcss?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    6.0.23-1
    6.0.23-3

    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
    UBUNTU-CVE-2023-44270 | CVE-DB