Advisories

Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications

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severity
high
date
Affecting
  • Ghost >= 2.21.0, < 6.56.0

CWE
  • CWE-266 Incorrect Privilege Assignment
CVSS
8.5
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Description
Ghost versions from 2.21.0 before 6.56.0 contain a privilege escalation vulnerability in the notifications system that allows low-privilege staff users to escalate to higher-privilege staff roles. Attackers with low-privilege staff access can exploit the notifications system to gain elevated privileges without proper authorization checks.

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