Vulnerability Database · npm · prismjs · Version
prismjs 1.3.0
1.3.0 is affected by 5 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 1.30.0.
Critical 0 High 3 Medium 2 Low 0 Unrated 0
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Released 27 Oct 2015
Licence MIT
Also known from other sources 5
Newer releases 39
Database updated 23/Oct/2026
Release and licence data published by the npm registry. Licence information is not legal advice.
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01 Vulnerabilities affecting this version
prismjs 1.3.0 vulnerabilities
5 vulnerabilities cover prismjs 1.3.0. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2021-32723: Regular Expression Denial of Service (ReDoS) in PrismJS | 7.4 high | 1.24.0 | 28 Jun 2021 |
| CVE-2020-15138: Cross-Site Scripting in Prism | 7.1 high | 1.21.0 | 07 Aug 2020 |
| CVE-2021-3801: prismjs Regular Expression Denial of Service vulnerability | 6.5 medium | 1.25.0 | 20 Sep 2021 |
| DOM Clobbering Vulnerability in PrismJS: A Security Concern | 4.9 medium | 1.30.0 | 03 Mar 2025 |
| CVE-2021-23341: Denial of service in prismjs | N/A high | 1.23.0 | 01 Mar 2021 |
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Questions
About prismjs 1.3.0
Is prismjs 1.3.0 vulnerable?
Yes. 5 vulnerabilities in the Vulert database cover prismjs 1.3.0: 0 critical, 3 high, 2 medium and 0 low. The upgrade Vulert recommends is 1.30.0, and each entry above names the fixed version to move to.
Which version of prismjs should I use instead of 1.3.0?
1.30.0 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 1.3.0 the latest release of prismjs?
No. 1.3.0 was published 27 Oct 2015, 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 prismjs for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the prismjs version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.