Vulnerability identifier: #VU56888
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Ghost
Web applications /
CMS
Vendor: Ghost
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to an error in the implementation of the member email change functionality. A remote attacker can change the email address of arbitrary member accounts to one they control.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Ghost: 3.18.0 - 3.42.5, 4.0.0 - 4.15.0
External links
http://github.com/TryGhost/Ghost/releases/tag/v4.15.1
http://github.com/TryGhost/Ghost/security/advisories/GHSA-65p7-pjj8-ggmr
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.