Is highlight.js 10.4 vulnerable?

npm · 2 releases from 10.4.0 to 10.4.1 · latest highlight.js is 11.12.0 · checked 2 Nov 2026

No known advisories in the last release

highlight.js 10.4.1, the last 10.4 release, has no known advisories. 1 advisory affects earlier 10.4.x releases, so update to 10.4.1.

Update within 10.4:npm install highlight.js@10.4.1

Is your project affected?

Private repo? Upload its lockfile instead, or connect GitHub to check every repo.

Fixed within 10.4.x, affecting earlier releases

  • MediumGHSA-7wwv-vh3v-89cq4 Dec 2020

    ReDOS vulnerabities: multiple grammars

    Affected
    >=9.0.0 <10.4.1
    Fixed in
    10.4.1

Which of your client projects are still on highlight.js 10.4?

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

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Other highlight.js 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.