CVE-2026-104411: Tryghost Ghost

High severity, CVSS 7.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Ghost from 6.22.1 before 6.64.0 contains a stored cross-site scripting vulnerability that allows staff users to host scripts by uploading files served with extension-derived content types on the default local storage adapter. Attackers can upload script-bearing files to the site's domain to compromise other staff users' admin sessions.

Affected products

• Tryghost Ghost: from 6.22.1, before 6.64.0 (fixed in 6.64.0)

Published 2026-10-02. Last modified 2026-10-02.