{"id":"CVE-2026-70588","title":"Ghost is a Node.js content management system","summary":"Ghost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1.","severity":"medium","cvss":5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:L","cwe":["CWE-79"],"vendor":"ghost","product":"ghost","affected":["ghost >= 5.26.0, < 6.54.1"],"patched":["ghost 6.54.1"],"published":"2026-08-04","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:51:43.490","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70588","references":[{"url":"https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e","label":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/pull/29635","label":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/releases/tag/v6.54.1","label":"security-advisories@github.com"},{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-2gx6-7gx2-wwcf","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-2gx6-7gx2-wwcf"}],"tags":["nvd","ghsa","npm"],"epss":0.00258,"epssPercentile":0.17758,"aliases":["GHSA-2gx6-7gx2-wwcf"],"ecosystem":"npm","ingestedAt":"2026-08-04T21:42:19.549Z","slug":"CVE-2026-70588","body":"## Overview\n\nGhost is a Node.js content management system. From 5.26.0 until 6.54.1, the Universal Import feature in Ghost Admin failed to properly sanitize imported content resulting in XSS in post content. This issue is fixed in version 6.54.1.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-70588)\n\nAffected packages:\n\n- `ghost >= 5.26.0, < 6.54.1`\n\nPatched in:\n\n- `ghost 6.54.1`\n\nSource: https://github.com/advisories/GHSA-2gx6-7gx2-wwcf","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}