THREATPORT/VULNERABILITY/CVE-2022-28397
CRITICAL SEVERITY

CVE-2022-28397

Ghost vulnerability

CVSS
9.8
EPSS
3.3%
EPSS pct
87th
Exploited
No known
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.
Affected vendor
Ghost
Affected product
Ghost
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2022-04-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2022-28397

  • Confirm whether Ghost Ghost is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-28397.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-28397

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-28397 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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