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showdown@1.0.0-alpha1 vulnerabilities

A Markdown to HTML converter written in Javascript

  • latest version

    2.1.0

  • first published

    13 years ago

  • latest version published

    2 years ago

  • licenses detected

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • M
    Regular Expression Denial of Service (ReDoS)

    showdown is a JavaScript Markdown to HTML converter.

    Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) in the anchors subparser in anchors.js (AKA links.js).

    How to fix Regular Expression Denial of Service (ReDoS)?

    A fix was pushed into the master branch but not yet published.

    *
    • L
    Reverse Tabnabbing

    showdown is a JavaScript Markdown to HTML converter.

    Affected versions of this package are vulnerable to Reverse Tabnabbing. ​due to the usage of target="_blank" without also adding rel="noopener noreferrer".

    How to fix Reverse Tabnabbing?

    Upgrade showdown to version 1.9.1 or higher.

    <1.9.1
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