Insertion of Sensitive Information Into Sent Data Affecting ghost package, versions >=0.8.0 <6.23.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-GHOST-21693981
- published24 Oct 2026
- disclosed1 Oct 2026
- creditUnknown
Introduced: 1 Oct 2026
NewCVE-2026-103280 (opens in a new tab)How to fix?
Upgrade ghost to version 6.23.0 or higher.
Overview
ghost is a publishing platform
Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the GET /authentication/setup endpoint, which returns the owner user's name and email address even after site setup has been completed. An unauthenticated attacker can query this endpoint to retrieve the site owner's personal information without any authentication.