Vulnerability in Markdown To Pdf Project

CVE-2021-23639

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.

EPSS: 0.053 (91.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

  • report@snyk.io (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
  • report@snyk.io (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-23639?
CVE-2021-23639 is a critical-severity vulnerability in Markdown To Pdf Project. CVSS score: 9.8/10. Published 2021-12-10.
How severe is CVE-2021-23639?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-23639 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.