highlight.js (npm)

JavaScript syntax highlighter with language auto-detection and zero dependencies.

Advisories

Latest version

11.12.0

Released Aug 12, 2026

License

BSD-3-Clause

OpenSSF Scorecard

6.6 / 10

How to fix

Upgrading to 10.4.1 or later clears every advisory below that has a fix.

Upgrade commands

npm

npm install highlight.js@11.12.0

yarn

yarn add highlight.js@11.12.0

pnpm

pnpm add highlight.js@11.12.0

Known vulnerabilities

Advisory	Severity	Affected	Fixed in
GHSA-7wwv-vh3v-89cq ReDOS vulnerabities: multiple grammars	Medium	`>= 9.0.0, < 10.4.1`	`10.4.1`
GHSA-vfrc-7r7c-w9mx Prototype Pollution in highlight.js	High EPSS 1.33%	`< 9.18.2`	`9.18.2`
GHSA-vfrc-7r7c-w9mx Prototype Pollution in highlight.js	High EPSS 1.33%	`>= 10.0.0, < 10.1.2`	`10.1.2`

Source: git://github.com/highlightjs/highlight.js.git

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