Vulnerability Database · npm · highlight.js · Version
highlight.js 9.4.0
9.4.0 is affected by 2 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 11.12.0.
Critical 0 High 0 Medium 2 Low 0 Unrated 0
-
Released 17 May 2016
Status deprecated release
Licence BSD-3-Clause
Also known from other sources 2
Newer releases 105
Database updated 23/Oct/2026
Release and licence data published by the npm registry. Licence information is not legal advice.
Concerned about your application's security?
Vulert continues monitoring your dependencies and alerts you when new vulnerabilities are disclosed. No installation and no source-code access required.
01 Vulnerabilities affecting this version
highlight.js 9.4.0 vulnerabilities
2 vulnerabilities cover highlight.js 9.4.0. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2020-26237: Prototype Pollution in highlight.js | 5.8 medium | 9.18.2 | 24 Nov 2020 |
| ReDOS Vulnerabilities in highlight.js | N/A medium | 10.4.1 | 04 Dec 2020 |
Looking for another version, or everything Vulert holds for highlight.js?
Questions
About highlight.js 9.4.0
Is highlight.js 9.4.0 vulnerable?
Yes. 2 vulnerabilities in the Vulert database cover highlight.js 9.4.0: 0 critical, 0 high, 2 medium and 0 low. The upgrade Vulert recommends is 11.12.0, and each entry above names the fixed version to move to.
Which version of highlight.js should I use instead of 9.4.0?
11.12.0 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 9.4.0 the latest release of highlight.js?
No. 9.4.0 was published 17 May 2016, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor highlight.js for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the highlight.js version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.