Home/CVE/The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc,
CVE

CVE-2021-23341

The package prismjs before 1.23.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the prism-asciidoc,

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.

HIGH · CVSS 7.5 EPSS 0.01762
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

1
prismjs prism< 1.23.0
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm prismjs HIGH fixed in 1.23.0
⚠

Public Exploits & PoCs

4
pocgithub.com · 2583github.com
pocsnyk.io · SNYK-JAVA-ORGWEBJARS-1076583snyk.io
pocsnyk.io · SNYK-JAVA-ORGWEBJARSNPM-1076582snyk.io
pocsnyk.io · SNYK-JS-PRISMJS-1076581snyk.io
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Scoring & Timeline

7.5
HIGH · CVSS v3.1 · report@snyk.io
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Feb 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/PrismJS/prism/commit/c2f6a64426f44497a675cb32dccb079b3eff1609PatchThird Party Advisory
https://github.com/PrismJS/prism/pull/2584PatchThird Party Advisory
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