# CVE-2023-40028

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.

- Page: https://www.vulneraibility.com/cve/CVE-2023-40028
- CVSS: 4.9
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 65.73% (percentile 99.3)
- Public exploit code: 1 on Exploit-DB · 10 GitHub proofs of concept (first 2024-03-23)
- CISA SSVC: exploitation none, automatable no, technical impact partial (assessed 2024-10-02)
- Weakness: CWE-22
- Published: 2023-08-15

## Affected versions

- TryGhost Ghost: affected < 5.59.1

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://github.com/TryGhost/Ghost/security/advisories/GHSA-9c9v-w225-v5rg
- [other] https://github.com/TryGhost/Ghost/commit/690fbf3f7302ff3f77159c0795928bdd20f41205

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.