What’s Vulnerable › Vulnerabilities

CVE-2022-41654

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 18.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-284

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.

Affected products

• TryGhost Ghost: from 4.46.0 before 4.48.8; from 5.0.0 before 5.22.7 — fixed in 4.48.8, 5.22.7

How to fix

Upgrade to a fixed version: TryGhost Ghost 4.48.8, 5.22.7. Check the vendor advisory for mitigations.

References

• https://github.com/TryGhost/Ghost/security/advisories/GHSA-9gh8-wp53-ccc6
• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1624
• https://github.com/TryGhost/Ghost/security/advisories/GHSA-9gh8-wp53-ccc6
• https://talosintelligence.com/vulnerability_reports/TALOS-2022-1624

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