CVE-2026-70596
4.3
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TryGhost | Ghost | >= 4.9.0, < 6.54.1 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-pr22-p9rp-2cqv
- https://github.com/TryGhost/Ghost/pull/29635
- https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e
- https://github.com/TryGhost/Ghost/releases/tag/v6.54.1
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