CVE-2022-28397

Name: CVE-2022-28397
Creator: NVD / NIST
Published: 2022-04-12T17:15:10.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.48%

Last modified Jun 17, 2026

CVE-2022-28397 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 3.48% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.48%

87.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Ghost	Ghost	4.42.0

References

http://ghost.comProduct
https://ghost.org/customers/Product
https://ghost.org/docs/security/#privilege-escalation-attacks
https://github.com/TryGhost/GhostThird Party Advisory
https://trends.builtwith.com/cms/GhostProduct
https://youtu.be/PncfBetPk2gExploit, Third Party Advisory
http://ghost.comProduct
https://ghost.org/customers/Product
https://ghost.org/docs/security/#privilege-escalation-attacks
https://github.com/TryGhost/GhostThird Party Advisory
https://trends.builtwith.com/cms/GhostProduct
https://youtu.be/PncfBetPk2gExploit, Third Party Advisory

Timeline

Published: Apr 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28397?

How severe is CVE-2022-28397?

CVE-2022-28397 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.48% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28397?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-28397?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST