Ghost 5.42.2 before 6.58.0 contains an information disclosure vulnerability in the Admin API bulk post and page edit and delete endpoints, which accept filters on restricted fields such as authors.password, because of an incomplete fix for CVE-2026-70590. Staff-level attackers can infer other staff users' password hashes from which filters match and perform offline password-guessing attacks against them.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Ghost Ghost
cpe:2.3:a:ghost:ghost:*:*:*:*:*:*:*:*
|
5.42.2
|
6.58.0
|
References 3
https://github.com/TryGhost/Ghost/commit/5ef16abe85e9b71ac3f1b1e2cbc462802efe3b…
disclosure@vulncheck.com
https://github.com/TryGhost/Ghost/security/advisories/GHSA-ghq6-q78f-2cpg
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/ghost-5.42.2-before-6.58.0-password-hash-d…
disclosure@vulncheck.com