CVE-2021-23639 is a critical Remote Code Execution (RCE) vulnerability affecting the 'md-to-pdf' package prior to version 5.0.0. The vulnerability stems from the 'gray-matter' library's failure to disable its JavaScript engine when parsing front matter content. With a CVSS score of 9.8, this flaw allows unauthenticated attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and community discussion is minimal, its high severity warrants immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.0.0CPE matchmatch criteria | cpe:2.3:a:markdown_to_pdf_project:markdown_to_pdf:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.