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TI-2023-00791 Aliases CVE-2023-0835GHSA-qghr-877h-f9jh

markdown-pdf 11.0.0 - Local File Read via Server Side XSS

Priority HIGH 69CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

markdown-pdf version 11.0.0 allows an external attacker to remotely obtain arbitrary local files. This is possible because the application does not validate the Markdown content entered by the user.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00597 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—markdown-pdf11.0.0—No fix listedCNA
—markdown-pdf (npm)up to 11.0.0—No fix listedGHSA-qghr-877h-f9jh
  • markdown-pdf Vendor— Affected 11.0.0 Fixed in — No fix listed CNA
  • markdown-pdf (npm) Vendor— Affected up to 11.0.0 Fixed in — No fix listed GHSA-qghr-877h-f9jh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:markdown-pdf_project:markdown-pdf:11.0.0:*:*:*:*:node.js:*:*11.0.0VulnerableMarkdown-pdf Project
  • cpe:2.3:a:markdown-pdf_project:markdown-pdf:11.0.0:*:*:*:*:node.js:*:* Versions 11.0.0 Vulnerable ·Markdown-pdf Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0835
  2. 2026-10-03 Alias added: GHSA-qghr-877h-f9jh

References

  • TI-2018-02764 Path traversal in HackerOne markdown-pdf CVSS 3.1MEDIUM 5.5

Sources