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Case File

CVE-2023-40028

MEDIUM · CVSS 4.9 EPSS 57.56% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-08-15 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.9. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 57.6% probability of exploitation in the next 30 days. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-40028
Severity
MEDIUM
CVSS
4.9
EPSS
57.56%

Original NVD Description

Ghost is an open source content management system. Versions prior to 5.59.1 are subject to a vulnerability which allows authenticated users to upload files that are symlinks. This can be exploited to perform an arbitrary file read of any file on the host operating system. Site administrators can check for exploitation of this issue by looking for unknown symlinks within Ghost's `content/` folder. Version 5.59.1 contains a fix for this issue. All users are advised to upgrade. There are no known workarounds for this vulnerability.

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