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TI-2026-67867 Aliases CVE-2026-105642GHSA-788w-68h3-cvxp

Remote code execution in Ghost via bookmark card images

Priority MEDIUM 40CWE-1395Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-94.

Summary

Ghost from 6.56.0 before 6.67.0 is affected. An image processing library bundled with Ghost mishandles SVG content, which allows code injection (CWE-94). Any staff user, including Contributors, can run arbitrary commands on the Ghost server by creating a bookmark card for an attacker-controlled website.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Ghost is a Node.js content management system. From 6.56.0 until 6.67.0, an image processing library bundled with Ghost contained a vulnerability in its SVG handling. Any staff user, including Contributors, could create a bookmark card for an attacker-controlled website, resulting in arbitrary commands being run on the Ghost server. This issue is fixed in version 6.67.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00266 18th percentileScored 2026-11-07
Fix Fixed Ghost (TryGhost): 6.67.0ghost (npm): 6.67.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
TryGhostGhost6.56.0 to before 6.67.06.67.0Patch availableCNA
—ghost (npm)6.56.0 to before 6.67.06.67.0Patch availableGHSA-788w-68h3-cvxp
  • Ghost VendorTryGhost Affected 6.56.0 to before 6.67.0 Fixed in 6.67.0 Patch available CNA
  • ghost (npm) Vendor— Affected 6.56.0 to before 6.67.0 Fixed in 6.67.0 Patch available GHSA-788w-68h3-cvxp

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:ghost:ghost:*:*:*:*:*:*:*:*——TryGhost
  • cpe:2.3:a:ghost:ghost:*:*:*:*:*:*:*:* Versions — — ·TryGhost

Remediation

Upgrade Ghost to version 6.67.0, which fixes this issue. The npm package ghost is fixed in 6.67.0.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Ghost (TryGhost) Fixed in 6.67.0
  • Fix · GHSA-788w-68h3-cvxp ghost (npm) Fixed in 6.67.0 Advisory →

Timeline

  1. 2026-10-05 Threatist record created from CVE-2026-105642
  2. 2026-10-05 CISA SSVC decision points changed
  3. 2026-10-05 Priority changed: MEDIUM → LOW
  4. 2026-10-07 Priority changed: LOW → MEDIUM
  5. 2026-10-07 Alias added: GHSA-788w-68h3-cvxp
  6. 2026-10-07 Fix available: npm/[email protected] · GHSA-788w-68h3-cvxp
  7. 2026-10-07 CVSS score added · GHSA-788w-68h3-cvxp
  8. 2026-10-07 Weakness changed · GHSA-788w-68h3-cvxp
  9. 2026-10-07 3 new references · GHSA-788w-68h3-cvxp

References

Advisory 1

Other 2

  • TI-2026-21459 Ghost has a SQL Injection in its Content API CVSS 3.1CRITICAL 9.4
  • TI-2022-10277 An arbitrary file upload vulnerability in the file upload module of Ghost v4.39.0 allows… CVSS 3.1CRITICAL 9.8
  • TI-2024-22785 Ghost through 5.85.1 allows remote attackers to bypass an authentication rate-limit… CVSS 3.1CRITICAL 9.1
  • TI-2023-14843 Ghost vulnerable to disclosure of private API fields CVSS 3.1HIGH 7.5
  • TI-2025-09049 Ghost 6.0.6 - SSRF via oEmbed Bookmark CVSS 4.0MEDIUM 6.1
  • TI-2023-20918 Arbitrary file read via symlinks in Ghost CVSS 3.1MEDIUM 6.5
See all 109 →

Sources

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