CVE-2026-70588: Tryghost Ghost

Medium severity, CVSS 5.0. EPSS: 0.4% chance of exploitation in the next 30 days.

Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1.

Affected products

• Tryghost Ghost: from 5.26.0, before 6.54.1 (fixed in 6.54.1)

Published 2026-08-04. Last modified 2026-09-08.