Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in feature_image_caption that could be used to hijack another staff user's Ghost Admin session, resulting in privilege escalation. This issue is fixed in 6.54.1.
History

Fri, 07 Aug 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Ghost
Ghost ghost
Vendors & Products Ghost
Ghost ghost

Wed, 05 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 05 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Description Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in feature_image_caption that could be used to hijack another staff user's Ghost Admin session, resulting in privilege escalation. This issue is fixed in 6.54.1.
Title Ghost: Cross-Site Scripting in Feature Image Captions
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-08-05T14:40:12.295Z

Updated: 2026-08-05T17:32:38.429Z

Reserved: 2026-08-04T19:50:27.328Z

Link: CVE-2026-70596

cve-icon Vulnrichment

Updated: 2026-08-05T17:32:31.381Z

cve-icon NVD

Status : Received

Published: 2026-08-05T16:17:03.463

Modified: 2026-08-05T18:17:14.797

Link: CVE-2026-70596

cve-icon Redhat

No data.