Ghost from 4.39.0 before 6.64.0 contains an information disclosure vulnerability in the Admin API that allows staff users to view secret tokens of pending staff invites. Staff users with invite viewing permission can accept pending invites for higher-privileged roles to escalate their privileges.
https://github.com/TryGhost/Ghost/security/advisories/GHSA-v6q3-xqxm-6f5v
Published: 2026-10-02
Updated: 2026-10-02
Base Score: 7.1
Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
Base Score: 7.7
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.00308