Denial of service in prismjs
The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc, prism-rest, prism-tap and prism-eiffel components.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | prismjs | < 1.23.0 | 1.23.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-23341
- https://github.com/PrismJS/prism/issues/2583
- https://github.com/PrismJS/prism/pull/2584
- https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1076583
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1076582
- https://snyk.io/vuln/SNYK-JS-PRISMJS-1076581
- https://www.npmjs.com/package/prismjs
- Weakness (CWE)
CWE-400- Platform
- npm
- Package
prismjs- Disclosed
- 01.03.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-h4hr-7fg3-h35w - CC BY 4.0
Vulnerability history: prismjs
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 6
- First → latest
- 08.2020 03.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 4
- Medium 2
Disclosures per year
- 2020: 1
- 2021: 3
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 1
- 2026: 0
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