TI-2026-67869 Aliases CVE-2026-105644 GHSA-hqq2-xqr2-fmx2

Stored cross-site scripting in Ghost via SVG content imports

LOW 32CWE-434Published 2026-10-05 · Updated 2026-10-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: High
Impact type: Code execution, Cross-site scripting
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-434 and CWE-79.

Summary

Ghost, a Node.js content management system, is affected from 4.0.0 before 6.67.0. SVG images included in content imports are stored without sanitization, which allows stored cross-site scripting (CWE-79). An attacker who convinces an Administrator to import a crafted file can host scripts on the site's domain and possibly compromise staff users' admin sessions.

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 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00322 25th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
TryGhost	Ghost	4.0.0 to before 6.67.0	6.67.0	Patch available	CNA
—	ghost (npm)	4.0.0 to before 6.67.0	6.67.0	Patch available	GHSA-hqq2-xqr2-fmx2

Ghost VendorTryGhost Affected 4.0.0 to before 6.67.0 Fixed in 6.67.0 Patch available CNA
ghost (npm) Vendor— Affected 4.0.0 to before 6.67.0 Fixed in 6.67.0 Patch available GHSA-hqq2-xqr2-fmx2

CPE names Threatist (inferred) · 1

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

CPE	Versions	Role	Vendor
cpe:2.3:a:ghost:ghost::::::::	—	—	TryGhost

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

Remediation

Update 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-hqq2-xqr2-fmx2 ghost (npm) Fixed in 6.67.0 Advisory →

Timeline

2026-10-05 Threatist record created from CVE-2026-105644
2026-10-06 CISA SSVC decision points changed
2026-10-06 Priority changed: MEDIUM → LOW
2026-10-07 Alias added: GHSA-hqq2-xqr2-fmx2
2026-10-07 Fix available: npm/[email protected] · GHSA-hqq2-xqr2-fmx2
2026-10-07 CVSS score added · GHSA-hqq2-xqr2-fmx2
2026-10-07 Weakness changed · GHSA-hqq2-xqr2-fmx2
2026-10-07 6 new references · GHSA-hqq2-xqr2-fmx2

References

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-105644

Other 5

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