Description
Ghost versions 5.2.0 through versions prior to 6.62.0 allow a remote attacker, without authentication, to abuse the Stripe Checkout flow to attach a paid subscription to an existing member, modify that member's name, and inject content into newsletters sent to the member. Depending on the recipient's email client, the injected content may be rendered, resulting in HTML injection or cross-site scripting (XSS).
Published: 2026-10-01
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 01 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
Description Ghost versions 5.2.0 through versions prior to 6.62.0 allow a remote attacker, without authentication, to abuse the Stripe Checkout flow to attach a paid subscription to an existing member, modify that member's name, and inject content into newsletters sent to the member. Depending on the recipient's email client, the injected content may be rendered, resulting in HTML injection or cross-site scripting (XSS).
Title Ghost 5.2.0 before 6.62.0 Unauthenticated Stripe Checkout Account Modification
First Time appeared Ghost
Ghost ghost
Weaknesses CWE-863
CPEs cpe:2.3:a:ghost:ghost:*:*:*:*:*:*:*:*
Vendors & Products Ghost
Ghost ghost
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-01T10:42:07.674Z

Reserved: 2026-09-30T10:58:33.573Z

Link: CVE-2026-103266

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-01T11:17:21.737

Modified: 2026-10-01T15:06:17.330

Link: CVE-2026-103266

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T14:15:09Z

Weaknesses