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TI-2015-02915 Aliases CVE-2015-3295GHSA-qfv2-8p99-wj5c

markdown-it before 4.1.0 does not block data: URLs.

Priority LOW 27CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

markdown-it before 4.1.0 does not block data: URLs.

Why it matters now

EPSS 0.01287 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:markdown-it_project:markdown-it:4.0.3:*:*:*:*:*:*:*4.0.3VulnerableMarkdown-it Project
  • cpe:2.3:a:markdown-it_project:markdown-it:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·Markdown-it Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-3295
  2. 2026-10-03 Alias added: GHSA-qfv2-8p99-wj5c

References

Patch 1

Advisory 1

  • TI-2026-01967 Regular expression denial of service in markdown-it CVSS 4.0MEDIUM 6.9
  • TI-2025-07289 Markdown-it 14.1.0 - Cross-site scripting (XSS) CVSS 4.0MEDIUM 6.9
  • TI-2026-36244 markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations CVSS 3.1MEDIUM 5.3
  • TI-2022-06047 Uncontrolled Resource Consumption in markdown-it CVSS 3.1MEDIUM 5.3
  • TI-2015-07933 markdown-it html_re.js redos CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences