Improper access control in Ghost



Published: 2022-11-28 | Updated: 2023-04-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-41654
CWE-ID CWE-284
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		Ghost
Web applications / CMS

Vendor Ghost

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU69656

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-41654

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper API validation for nested objects. A remote user can bypass implemented security restrictions and make changes to newsletter settings.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ghost: 4.46.0 - 5.22.6

External links

http://github.com/TryGhost/Ghost/security/advisories/GHSA-9gh8-wp53-ccc6


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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