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