Arbitrary File Read Affecting ghost package, versions <5.59.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-JS-GHOST-5843513
  • published16 Aug 2023
  • disclosed15 Aug 2023
  • creditixSly

Introduced: 15 Aug 2023

CVE-2023-40028  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade ghost to version 5.59.1 or higher.

Overview

ghost is a publishing platform

Affected versions of this package are vulnerable to Arbitrary File Read 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.

Note: Site administrators can check for exploitation of this issue by looking for unknown symlinks within Ghost's content/ folder.

References

CVSS Scores

version 3.1