Ghost is a Node.js content management system. From 6.14.0 until 6.27.0, an input validation issue may have allowed staff users to access local files outside the intended data storage directories on the server. This issue is fixed in version 6.27.0.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
Low
Partial disruption
CVSS Vector v3.1
Weakness Type (CWE)
References 4
https://github.com/TryGhost/Ghost/commit/770d438fd9d352bbfccbe81dd890580a1d3fd6…
security-advisories@github.com
https://github.com/TryGhost/Ghost/pull/27217
security-advisories@github.com
https://github.com/TryGhost/Ghost/releases/tag/v6.27.0
security-advisories@github.com
https://github.com/TryGhost/Ghost/security/advisories/GHSA-83rp-q473-j88c
security-advisories@github.com