ExploitPublished 11 Aug 2025

Ghost CMS 5.42.1 · Path Traversal

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Severity

Medium

Rated by Threat Radar

Data as of 8 Nov 2025, 02:50 UTC

What to do

AI-suggested

1. Monitor official Ghost CMS channels for security patches addressing this vulnerability and apply updates promptly once available. 2. Until a patch is released, implement strict input validation and sanitization on all user-supplied parameters that influence file paths to prevent directory traversal sequences (e.g., '../'). 3. Deploy web application firewalls (WAFs) with rules specifically designed to detect and block path traversal attempts targeting Ghost CMS endpoints. 4. Restrict file system permissions on the web server to limit access to sensitive files and directories, ensuring the CMS process runs with the least privileges necessary. 5. Conduct regular security audits and penetration testing focusing on web application vulnerabilities, including path traversal. 6. Monitor web server logs for suspicious requests containing directory traversal patterns and respond quickly to potential exploitation attempts. 7. Consider isolating Ghost CMS instances in segmented network zones to reduce the impact of a potential breach. 8. Educate development and operations teams about secure coding practices and the risks associated with path traversal vulnerabilities.

Description

Ghost CMS 5.42.1 - Path Traversal

Impact

For European organizations, the path traversal vulnerability in Ghost CMS 5.42.1 primarily threatens the confidentiality of sensitive data stored on web servers. Attackers could access configuration files, database credentials, or private content, potentially leading to further compromise or data breaches. Organizations relying on Ghost CMS for public-facing websites or internal content management may face reputational damage and regulatory consequences under GDPR if personal data is exposed. The ease of exploitation without authentication increases the risk of automated attacks targeting vulnerable installations. However, the impact on integrity and availability is limited, as the vulnerability does not directly allow code execution or service disruption. Still, the exposure of sensitive files could facilitate subsequent attacks, such as privilege escalation or lateral movement within networks. European media, publishing, and digital marketing sectors using Ghost CMS are particularly at risk. The threat also underscores the importance of securing web applications and monitoring for anomalous access patterns to detect exploitation attempts early.

Indicators of compromise

Exploit source code

Exploit code for Ghost CMS 5.42.1 - Path Traversal8,806 characters

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
# Exploit Title: Ghost CMS 5.42.1 - Path Traversal
# Date: 2023-06-15
# Exploit Author:ibrahimsql (https://github.com/ibrahimsql)
# Vendor Homepage: https://ghost.org
# Software Link: https://github.com/TryGhost/Ghost
# Version: < 5.42.1
# Tested on: Kali Linux 2024.1 Windows 10, macOS Big Sur
# CVE: CVE-2023-32235
# Category: Web Application Security
# CVSS Score: 7.5 (High)
# Description:
# Ghost CMS before version 5.42.1 contains a path trave…

References

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