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.
Remediation
References
https://github.com/TryGhost/Ghost/commit/690fbf3f7302ff3f77159c0795928bdd20f41205
https://github.com/TryGhost/Ghost/security/advisories/GHSA-9c9v-w225-v5rg
Related Vulnerabilities
CVE-2018-20676 Vulnerability in maven package org.webjars.npm:bootstrap
CVE-2021-22569 Vulnerability in maven package com.google.protobuf:protobuf-java
CVE-2018-25061 Vulnerability in npm package rgb2hex
CVE-2023-42810 Vulnerability in npm package systeminformation
CVE-2023-33937 Vulnerability in maven package com.liferay:com.liferay.dynamic.data.mapping.form.web