CVE-2026-70589

Ghost: Archived Offers can be Redeemed

MEDIUM

4.8

CVSS Score

Published: August 4, 2026 at 09:11 PM UTC

Updated: October 24, 2026 at 03:10 PM UTC

1 product affected across 1 vendorGhost

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Severity

MEDIUM4.8

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

Ghost is a Node.js content management system. From 4.22.0 until 6.54.1, a missing validation check allowed users to redeem subscription offers that were no longer active. This issue is fixed in version 6.54.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ghost · Tryghostnpm

90%

>= 4.22.0, < 6.54.1

Affected range stops below 6.54.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRM

Source: cverecord

https://github.com/TryGhost/Ghost/security/advisories/GHSA-4wx2-7gvj-qfq3

x_refsource_MISC

Source: cverecord

https://github.com/TryGhost/Ghost/commit/d91c0fc52dfc987d71a9803dbcbe6447d21b92fb

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMGitHub_M

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-20

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