Medium severity · published Jul 9, 2026
CVE-2026-59817
Ghost: Paid gift memberships obtainable at minimal cost via the donations feature
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
Ghost is a Node.js content management system. From 6.27.0 before 6.44.0, Ghost's public donation checkout flow allowed an unauthenticated attacker to control donation checkout metadata and obtain full paid gift memberships for a minimal payment without exposing customer or member data or stealing money from a site or its members. This issue is fixed in version 6.44.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GH
Ghost · TryGhost
>= 6.27.0, < 6.44.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59817
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59817
github.com
https://github.com/TryGhost/Ghost/commit/cab716cd015ac04b7ee50c7a405478d97bc7b1e0
github.com
https://github.com/TryGhost/Ghost/commit/ee7b991b466a7849c70f9d1caed8e491ee4113c6
github.com
https://github.com/TryGhost/Ghost/pull/28351
github.com
https://github.com/TryGhost/Ghost/pull/28352
github.com
https://github.com/TryGhost/Ghost/security/advisories/GHSA-xm43-3m56-w3wf
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