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Vulnerability record · CVE-2022-41654 · published 22 December 2022

CVE-2022-41654: Ghost improper access control vulnerability

Ghost · Ghost

An authentication bypass vulnerability exists in the newsletter subscription functionality of Ghost Foundation Ghost 5.9.4. A specially-crafted HTTP request can lead to increased privileges. An attacker can send an HTTP request to trigger this vulnerability.

4.3 CVSS 3.1 Medium EPSS 19% · top 2.8% CWE-284 · Improper access control
4.3CVSS 3.1 base score
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An authentication bypass vulnerability exists in the newsletter subscription functionality of Ghost Foundation Ghost 5.9.4. A specially-crafted HTTP request can lead to increased privileges. An attacker can send an HTTP request to trigger this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/TryGhost/Ghost/security/advisories/GHSA-9gh8-wp53-ccc6 Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1624 ExploitThird Party Advisory
https://github.com/TryGhost/Ghost/security/advisories/GHSA-9gh8-wp53-ccc6 Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1624 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-41654), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.