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Vulnerability Database · npm · Package report

prismjs: vulnerability history, versions and safety

prismjs is a package in the npm ecosystem. Vulert records 6 vulnerabilities for it across 37 releases, from Aug 2020 to Mar 2025. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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6 vulnerabilities recorded H4 M2
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0 with no fix published

Every vulnerability has a patched version to move to.

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0 in the last 12 months

Nothing new recorded in the last year.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all prismjs vulnerabilities

Vulert verdict on prismjs 1.30.0 i

Updated on 22 Oct 2026

Good news: 1.30.0, the version you would install today, has no known vulnerabilities. Older releases do — the table below lists all 6.

Package health score 80/100
  • Security Minor issues
  • Maintenance Maintaining
  • Popularity Key ecosystem project
  • Community Moderate

What to do: Stay on 1.30.0 or newer. This can change: a vulnerability disclosed tomorrow can affect 1.30.0 too — Vulert watches the package and alerts you if that happens. Monitor it with Vulert →

  • Current release 1.30.0 — unaffected i
  • Vulnerabilities on record 6 over 4 years · 0 in the last year i
  • Latest disclosure 03 Mar 2025 i
  • Highest CVSS 7.5 i
  • With no published fix 0 i
  • Depended on by 32,786 packages i
  • Stars 13,051 i
  • OpenSSF scorecard 4/10 i
  • Last release 19 months ago i
  • Licence MIT i

Version list, release dates, licence and dependants published by the npm registry, refreshed 23 Oct 2026. Licence information is not legal advice.

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01 Versions

Which versions are affected

Every version Vulert tracks for prismjs, newest first, with the vulnerabilities recorded against each one. A version showing none has no vulnerability in the Vulert database — open it for the full picture on that release.

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Version Released Vulert vulnerabilities Licence Fix published Details
2.0.0-alpha.1 08 Sep 2026 none MIT — Details →
1.30.0 10 Mar 2025 none MIT — Details →
1.29.0 23 Aug 2022 M1 MIT Yes Details →
1.28.0 17 Apr 2022 M1 MIT Yes Details →
1.27.0 17 Feb 2022 M1 MIT Yes Details →
1.26.0 06 Jan 2022 H1 M1 MIT Yes Details →
1.25.0 16 Sep 2021 H1 M1 MIT Yes Details →
1.24.1 03 Jul 2021 H1 M2 MIT Yes Details →
1.24.0 27 Jun 2021 H1 M2 MIT Yes Details →
1.23.0 31 Dec 2020 H2 M2 MIT Yes Details →
1.22.0 10 Oct 2020 H3 M2 MIT Yes Details →
1.21.0 06 Aug 2020 H3 M2 MIT Yes Details →
1.20.0 04 Apr 2020 H4 M2 MIT Yes Details →
1.19.0 13 Jan 2020 H4 M2 MIT Yes Details →
1.18.0 04 Jan 2020 H4 M2 MIT Yes Details →
1.17.1 22 Jul 2019 H4 M2 MIT Yes Details →
1.17.0 22 Jul 2019 H4 M2 MIT Yes Details →
1.16.0 25 Mar 2019 H4 M2 MIT Yes Details →
1.15.0 17 Jun 2018 H4 M2 MIT Yes Details →
1.14.0 11 Apr 2018 H4 M2 MIT Yes Details →
1.13.0 21 Mar 2018 H3 M2 MIT Yes Details →
1.12.2 08 Mar 2018 H3 M2 MIT Yes Details →
1.12.0 07 Mar 2018 H3 M2 MIT Yes Details →
1.11.0 05 Feb 2018 H3 M2 MIT Yes Details →
1.10.0 17 Jan 2018 H3 M2 MIT Yes Details →
1.9.0 05 Dec 2017 H3 M2 MIT Yes Details →
1.8.4 05 Nov 2017 H3 M2 MIT Yes Details →
1.8.3 19 Oct 2017 H3 M2 MIT Yes Details →
1.8.1 16 Sep 2017 H3 M2 MIT Yes Details →
1.8.0 16 Sep 2017 H3 M2 MIT Yes Details →
1.7.0 09 Sep 2017 H3 M2 MIT Yes Details →
1.6.0 05 Dec 2016 H3 M2 MIT Yes Details →
1.5.1 07 Jun 2016 H3 M2 MIT Yes Details →
1.5.0 16 May 2016 H3 M2 MIT Yes Details →
1.4.1 05 Feb 2016 H3 M2 MIT Yes Details →
1.3.0 27 Oct 2015 H3 M2 MIT Yes Details →
1.2.0 07 Oct 2015 H3 M2 MIT Yes Details →
1.1.0 06 Oct 2015 H3 M2 MIT Yes Details →
0.0.1 13 May 2015 H2 M2 MIT Yes Details →

All 39 versions Vulert tracks for this package. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2020 1
  • 2021 3
  • 2022 1
  • 2025 1

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 6 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for prismjs

The 5 most severe of 6 vulnerabilities recorded for this package

Search all 6 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
CVE-2022-23647: Cross-site Scripting in Prism 7.5 high 1.27.0 22 Feb 2022
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

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 22/Oct/2026 · Vulnerabilities in our DB: 524173

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Questions

About prismjs

Is prismjs safe to use?

Vulert records 6 vulnerabilities for prismjs in npm: 0 critical, 4 high, 2 medium and 0 low. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

What is prismjs's Vulert package health score?

Vulert scores prismjs 80/100, which reads as in good shape. The score weighs the vulnerability record (40), maintenance and release cadence (25), adoption from dependents and stars (20) and community signals such as the OpenSSF scorecard and forks (15).

Is the latest version of prismjs affected?

No. 1.30.0, the version you would install today, has no vulnerabilities on record against it. Earlier releases do — the version table above lists each release with what affects it.

Which version of prismjs should I use?

1.30.0 is the version Vulert recommends for the affected releases. The version table above lists every release with the vulnerabilities recorded against it, so you can confirm the range you actually run.

How many vulnerabilities does prismjs have?

6 vulnerabilities are recorded for prismjs in the npm ecosystem: 0 critical, 4 high, 2 medium and 0 low. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new prismjs vulnerabilities disclosed?

0 vulnerabilities were recorded for prismjs in the last 12 months, and the oldest entry in this database dates to 07 Aug 2020. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of prismjs are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

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.