{"id":"CVE-2026-103292","published":"2026-10-01T11:17:25.847","lastModified":"2026-10-01T15:06:17.330","description":"Ghost versions from 0.5.3 through versions prior to 6.50.0 fail to sanitize the data placed in the JSON-LD HTML tag emitted by the {{ghost_head}} helper. An authenticated user with limited privileges can inject unescaped content that is rendered as script in the published page, potentially leading to compromise of a staff user's admin session when that user views the affected page.","cvssScore":8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-mp9q-4q6m-44f5","tags":[]},{"url":"https://www.vulncheck.com/advisories/ghost-0.5.3-before-6.50.0-cross-site-scripting-via-ghost-head","tags":[]}],"exploitRefs":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-mp9q-4q6m-44f5","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw allows an authenticated user to inject unescaped content into a script, potentially compromising an admin session.","exploitability":"Exploitation requires an authenticated user with limited privileges and access to the {{ghost_head}} helper. The exploit is moderately hard to execute.","blast_radius":"If exploited, the compromise could lead to unauthorized access to staff admin sessions viewing the affected page.","remediation":"Upgrade to Ghost version 6.50.0 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","auth-bypass","web"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-06T08:45:40.998Z"}}