{"id":"CVE-2026-104414","published":"2026-10-02T12:17:11.127","lastModified":"2026-10-02T18:17:01.053","description":"Ghost from 2.5.0 before 6.64.0 contains a stored cross-site scripting vulnerability that allows attackers to inject untrusted scripts into post content via oEmbed photo responses. Attackers can host malicious oEmbed photo responses so that embedding their URL stores scripts that run in the Ghost editor, published site, and newsletter emails, compromising staff admin sessions.","cvssScore":8.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-v3xr-g6p2-fvgv","tags":[]},{"url":"https://www.vulncheck.com/advisories/ghost-from-2.5.0-before-6.64.0-stored-xss-via-oembed-photo-responses","tags":[]}],"exploitRefs":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-v3xr-g6p2-fvgv","tags":[]}],"hasPoc":true,"ai":{"summary":"A stored cross-site scripting vulnerability exists in Ghost from 2.5.0 before 6.64.0, allowing attackers to inject malicious scripts via oEmbed photo responses, compromising admin sessions and published content.","exploitability":"Exploitation requires control over oEmbed photo responses and embedding the URL in the Ghost editor, which is moderately difficult.","blast_radius":"If exploited, attackers can compromise staff admin sessions, published site content, and newsletter emails, leading to significant data exposure.","remediation":"Upgrade to Ghost 6.64.0 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["xss","web","content-injection"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-04T08:41:33.088Z"}}