{"id":"CVE-2026-104413","title":"Ghost from 5.94.0 before 6.64.0 contains a stored cross-site scripting vulnerability that allows staff users, including Contributors, to host arbitrary HTML by abusing bookmark card image fetching","summary":"Ghost from 5.94.0 before 6.64.0 contains a stored cross-site scripting vulnerability that allows staff users, including Contributors, to host arbitrary HTML by abusing bookmark card image fetching. Attackers can create bookmark cards tha…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","cwe":["CWE-79"],"vendor":"TryGhost","product":"Ghost","affected":["Ghost >= 5.94.0 < 6.64.0"],"published":"2026-10-02","updated":"2026-10-02","sourceUpdated":"2026-10-02T12:17:10.980","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104413","references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-347q-26qq-h2p6","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ghost-5.94.0-before-6.64.0-stored-xss-via-bookmark-card-images","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-02T12:17:44.326Z","slug":"CVE-2026-104413","body":"## Overview\n\nGhost from 5.94.0 before 6.64.0 contains a stored cross-site scripting vulnerability that allows staff users, including Contributors, to host arbitrary HTML by abusing bookmark card image fetching. Attackers can create bookmark cards that store non-image files from external websites as icons or thumbnails to compromise other staff users' admin sessions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}