CVE-2023-40028
Versions prior to 5.59.1 are subject to a vulnerability which allows authenticated users to upload files that are symlinks.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 68.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 68.74% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22, CWE-59
- Affected
- ghost/ghost
- Source
- security-advisories@github.com
References
- https://github.com/TryGhost/Ghost/commit/690fbf3f7302ff3f77159c0795928bdd20f41205Patch
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-9c9v-w225-v5rgVendor Advisory
- https://github.com/TryGhost/Ghost/commit/690fbf3f7302ff3f77159c0795928bdd20f41205Patch
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-9c9v-w225-v5rgVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.