{"id":"CVE-2026-103292","summary":"Ghost 0.5.3 before 6.50.0 Cross-Site Scripting via ghost_head","details":"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.","aliases":["GHSA-mp9q-4q6m-44f5"],"modified":"2026-10-03T03:30:38.419054919Z","published":"2026-10-01T10:42:25.235Z","database_specific":{"cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103292.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103292.json"},{"type":"ADVISORY","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-mp9q-4q6m-44f5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103292"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/ghost-0.5.3-before-6.50.0-cross-site-scripting-via-ghost-head"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tryghost/ghost","events":[{"introduced":"dafda42e0a09aba132b6560c0a63cd6032b8fa92"},{"fixed":"2adee64de295dde3be257fd3f22e503f577bb62c"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0.5.3"},{"fixed":"6.50.0"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103292.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}