{"id":"BIT-ghost-2026-104411","summary":"Ghost 6.22.1 before 6.64.0 Stored XSS via Local Storage File Uploads","details":"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.","aliases":["CVE-2026-104411","CVE-2026-105679","GHSA-gfjp-2p8f-94qv"],"modified":"2026-10-09T12:10:50.109091318Z","published":"2026-10-09T10:45:13.088Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*"]},"references":[{"type":"WEB","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-gfjp-2p8f-94qv"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104411"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/ghost-6.22.1-before-6.64.0-stored-xss-via-local-storage-file-uploads"}],"affected":[{"package":{"name":"ghost","ecosystem":"Bitnami","purl":"pkg:bitnami/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"6.22.1"},{"fixed":"6.64.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/ghost/BIT-ghost-2026-104411.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.0"}