GHSA-4wx2-7gvj-qfq3

Suggest an improvement
Source
https://github.com/advisories/GHSA-4wx2-7gvj-qfq3
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-4wx2-7gvj-qfq3/GHSA-4wx2-7gvj-qfq3.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-4wx2-7gvj-qfq3
Aliases
Published
2026-08-04T21:11:12Z
Modified
2026-08-17T08:10:34Z
Severity
  • 4.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
Ghost: Archived Offers can be Redeemed
Details

Impact

A missing validation check allowed users to redeem subscription offers that were no longer active.

Vulnerable versions

This vulnerability is present in Ghost from v4.22.0 up to v6.54.0.

Patches

v6.54.1 contains a fix for this issue.

How to update

For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.

If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.

References

Ghost thanks Pedro Pinho for disclosing this vulnerability responsibly.

For more information

If you have any questions or comments about this advisory, email us at security@ghost.org.

Database specific
{
    "cwe_ids":  [
        "CWE-20"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-08-04T21:11:12Z",
    "nvd_published_at":  null,
    "severity":  "MODERATE"
}
References

Affected packages

npm / ghost

Package

Affected ranges

Type
SEMVER
Events
Introduced
4.22.0
Fixed
6.54.1

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/08/GHSA-4wx2-7gvj-qfq3/GHSA-4wx2-7gvj-qfq3.json"