CVE-2026-103278
Published:October 01, 2026
Updated:October 13, 2026
Ghost versions 5.8.0 before 6.34.0 contain an input validation vulnerability in the admin iframe that allows attackers to take over staff user accounts. Attackers with content publishing privileges can craft malicious pages that, when visited by active staff users, enable account takeover through improper input validation.
Affected Packages
https://github.com/TryGhost/Ghost.git (GITHUB):
Affected version(s) >=v6.0.0-alpha.0 <v6.34.0Fix Suggestion:
Update to version v6.34.0ghost (NPM):
Affected version(s) >=6.0.0-alpha.1 <6.34.0Fix Suggestion:
Update to version 6.34.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Relative Path Traversal
EPSS
Base Score:
0.27