Link following in Ghost - CVE-2023-40028

 

Link following in Ghost - CVE-2023-40028

Published: August 15, 2023 / Updated: April 27, 2026


Vulnerability identifier: #VU128204
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-40028
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to improper restriction of file access in content import when processing uploaded files containing symlinks. A remote privileged user can upload a symlink file to disclose sensitive information.


Affected software

Ghost

How to mitigate CVE-2023-40028

Install security update from vendor's website.

Ghost - update to 5.59.1

External References

Related Security Bulletins