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postcss@8.4.17 vulnerabilities

Tool for transforming styles with JS plugins

  • latest version

    8.5.6

  • latest non vulnerable version

    8.5.6

  • first published

    11 years ago

  • latest version published

    4 months ago

  • licenses detected

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    Direct Vulnerabilities

    Known vulnerabilities in the postcss package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • M
    Improper Input Validation

    postcss is a PostCSS is a tool for transforming styles with JS plugins.

    Affected versions of this package are vulnerable to Improper Input Validation when parsing external Cascading Style Sheets (CSS) with linters using PostCSS. An attacker can cause discrepancies by injecting malicious CSS rules, such as @font-face{ font:(\r/*);}. This vulnerability is because of an insecure regular expression usage in the RE_BAD_BRACKET variable.

    How to fix Improper Input Validation?

    Upgrade postcss to version 8.4.31 or higher.

    <8.4.31
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