External Control of Assumed-Immutable Web Parameter Affecting ghost package, versions >=6.27.0 <6.44.0
Threat Intelligence
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-JS-GHOST-17954418
- published12 Jul 2026
- disclosed9 Jul 2026
- creditUnknown
Introduced: 9 Jul 2026
NewCVE-2026-59817 (opens in a new tab)How to fix?
Upgrade ghost to version 6.44.0 or higher.
Overview
ghost is a publishing platform
Affected versions of this package are vulnerable to External Control of Assumed-Immutable Web Parameter via the donation checkout process. An attacker can obtain full paid gift memberships at a minimal cost by manipulating checkout metadata without authentication.