Description
Ghost is a Node.js content management system. From 5.18.0 until 6.21.1, a discrepancy in responses from the members signin endpoints made it possible for an unauthenticated attacker to determine whether a given email address belongs to a registered member of a Ghost site. This vulnerability is fixed in 6.21.1.
Severity (CVSS)
| Base score | 5.3 |
|---|---|
| Severity | Medium |
| Version | CVSS 3.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| Provided by | CNA |
Weaknesses
- CWE-204 — CWE-204: Observable Response Discrepancy
Affected products
| Vendor | Product | Versions |
|---|---|---|
| TryGhost | Ghost | >= 5.18.0, < 6.21.1 |
References
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-chgm-3698-jm42 (x_refsource_CONFIRM)
Generated from the official CVE List on 25 Jun 2026 10:14 UTC.