Arbitrary file upload in Ghost
CVE-2022-28397
An arbitrary file upload vulnerability in the file upload module of Ghost CMS v4.42.0 allows attackers to execute arbitrary code via a crafted file. NOTE: Vendor states as detailed in Ghost's security documentation, files can only be uploaded and published by trusted users, this is intentional.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.035 (88.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.035 · change: +0.002
Affected products
- Ghost — versions 4.42.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Product)
- ghost.org/customers/ (Product)
- github.com/TryGhost/Ghost (Third Party Advisory)
- trends.builtwith.com/cms/Ghost (Product)
- youtu.be/PncfBetPk2g (Exploit, Third Party Advisory)
- ghost.org/docs/security/
Frequently asked questions
- What is CVE-2022-28397?
- CVE-2022-28397 is a critical-severity vulnerability in Ghost, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-04-12.
- How severe is CVE-2022-28397?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-28397 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.