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CVE-2023-40028

4.9 · MEDIUM

Ghost is an open source content management system.

Published Aug 15, 2023CWE-22EPSS 68.95%

Overview

CVE-2023-40028 is a medium-severity vulnerability. It was published on August 15, 2023 and has a CVSS 3.1 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/TryGhost/Ghost/commit/690fbf3f7302ff3f77159c0795928bdd20f41205GitHubgithub.com/TryGhost/Ghost/security/advisories/GHSA-9c9v-w225-v5rgGitHubgithub.com/TryGhost/Ghost/commit/690fbf3f7302ff3f77159c0795928bdd20f41205GitHubgithub.com/TryGhost/Ghost/security/advisories/GHSA-9c9v-w225-v5rg

How CyberStrike helps

Frequently asked questions

What is CVE-2023-40028?

CVE-2023-40028 is a medium-severity vulnerability. It was published on August 15, 2023 and has a CVSS 3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2023-40028?

This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-40028?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-40028?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-40028 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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