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org.webjars.npm:postcss@8.5.19

  • latest version

    8.5.25

  • latest non vulnerable version

    8.5.25

  • first published

    9 years ago

  • latest version published

    8 days ago

  • licenses detected

  • package registry

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • M
    Directory Traversal

    org.webjars.npm:postcss is a PostCSS is a tool for transforming styles with JS plugins.

    Affected versions of this package are vulnerable to Directory Traversal in the PreviousMap.loadFile() method of lib/previous-map.js, which nests its traversal guard inside an if (cssFile) branch that is skipped when the from option is unset, leaving only a check that the target path ends in .map. An attacker can read arbitrary .map files from the filesystem, disclosing their sources paths and sourcesContent through the generated source map, by placing an absolute or ../ path in a sourceMappingURL comment in the processed CSS. This requires the application to process attacker-influenced CSS without the from option, with map enabled and the source-map module available, and then expose result.map to the attacker, and the read is limited to JSON-parseable files ending in .map.

    How to fix Directory Traversal?

    Upgrade org.webjars.npm:postcss to version 8.5.25 or higher.

    [,8.5.25)
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