{"id":"CVE-2026-103292","title":"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","summary":"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 …","severity":"high","cvss":8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-79"],"vendor":"TryGhost","product":"Ghost","affected":["Ghost >= 0.5.3 < 6.50.0"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T11:17:25.847","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103292","references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-mp9q-4q6m-44f5","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ghost-0.5.3-before-6.50.0-cross-site-scripting-via-ghost-head","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-01T11:42:53.815Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-01T12:56:49.408634Z"},"slug":"CVE-2026-103292","body":"## Overview\n\nGhost 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":44,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}