VULNERABILITY INTELLIGENCE

CVE-2021-23639

CVSS score9.8 CRITICAL

EPSS probability5.41%

CISA KEVNot currently listed

Published2021-12-10

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The package md-to-pdf before 5.0.0 are vulnerable to Remote Code Execution (RCE) due to utilizing the library gray-matter to parse front matter content, without disabling the JS engine.

Weakness classification

nvd@nist.gov: NVD-CWE-noinfo

Primary references

report@snyk.io — Patch, Third Party Advisory
report@snyk.io — Exploit, Issue Tracking, Patch, Third Party Advisory
report@snyk.io — Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Third Party Advisory