Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Affecting ghost package, versions <6.19.1
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.
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Test your applications- Snyk IDSNYK-JS-GHOST-15435594
- published6 Mar 2026
- disclosed5 Mar 2026
- creditCristian-Alexandru STAICU
Introduced: 5 Mar 2026
NewCVE-2026-29053 (opens in a new tab)How to fix?
Upgrade ghost to version 6.19.1 or higher.
Overview
ghost is a publishing platform
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'). An attacker can execute arbitrary code on the server by submitting a specially crafted malicious theme.