Ghost is a Node.js content management system. From 0.5.0 until 6.64.0, staff users with the Editor or Super Editor role were able to assign their own role to Author and Contributor users, despite not having permission to assign that role. This issue is fixed in version 6.64.0.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products
tryghost:ghost
References 4
https://github.com/TryGhost/Ghost/security/advisories/GHSA-4pvx-fwjj-8gpc
https://github.com/TryGhost/Ghost/security/advisories/GHSA-4pvx-fwjj-8gpc
https://github.com/TryGhost/Ghost/issues/30764
https://github.com/TryGhost/Ghost/issues/30764
https://github.com/TryGhost/Ghost/commit/99c5642b9bb481df4811a004a6f19d6143ed9a…
https://github.com/TryGhost/Ghost/commit/99c5642b9bb481df4811a004a6f19d6143ed9aaf
https://github.com/TryGhost/Ghost/releases/tag/v6.64.0
https://github.com/TryGhost/Ghost/releases/tag/v6.64.0