Is xlsx 0.14 vulnerable?

npm · 6 releases from 0.14.0 to 0.14.5 · latest xlsx is 0.18.5 · checked 1 Nov 2026

Yes: 5 known advisories

Yes. xlsx 0.14.5, the last 0.14 release, is affected by 5 known security advisories (2 high, 3 medium), including CVE-2024-22363, CVE-2023-30533, CVE-2021-32012. At least one has no fixed release yet.

Is your project affected?

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Advisories affecting xlsx 0.14.5

  • HighCVE-2024-22363GHSA-5pgg-2g8v-p4x95 Apr 2024

    SheetJS Regular Expression Denial of Service (ReDoS)

    Affected
    All versions
    Fixed in
    No fix released
  • HighCVE-2023-30533GHSA-4r6h-8v6p-xvw624 Apr 2023

    Prototype Pollution in sheetJS

    Affected
    All versions
    Fixed in
    No fix released
  • MediumCVE-2021-32012GHSA-3x9f-74h4-2fqr22 Jul 2021

    Denial of Service in SheetJS Pro

    Affected
    <0.17.0
    Fixed in
    0.17.0
  • MediumCVE-2021-32013GHSA-8vcr-vxm8-293m22 Jul 2021

    Denial of Service in SheetsJS Pro

    Affected
    <0.17.0
    Fixed in
    0.17.0
  • MediumCVE-2021-32014GHSA-g973-978j-2c3p22 Jul 2021

    Denial of Service in SheetJS Pro

    Affected
    <0.17.0
    Fixed in
    0.17.0

Which of your client projects are still on xlsx 0.14?

NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact xlsx version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.

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Other xlsx versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the npm registry. Refreshed daily.