{"id":"EUVD-2026-53391","revision":"ff604256996d4495b7f8222af4ebb2be","records":[{"revision":"ff604256996d4495b7f8222af4ebb2be","observedAt":"2026-11-03T13:01:34.283+00:00","statement":{"source":"euvd","id":"EUVD-2026-53391","aliases":["CVE-2026-70596","GHSA-pr22-p9rp-2cqv"],"title":"Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in feature_image_caption that could be used to hijack another staff user's Ghost Admin ses…","description":"Ghost is a Node.js content management system. From 4.9.0 until 6.54.1, an input validation issue allowed any staff user to create a post with content in feature_image_caption that could be used to hijack another staff user's Ghost Admin session, resulting in privilege escalation. This issue is fixed in 6.54.1.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L","score":4.3,"severity":null}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-pr22-p9rp-2cqv","https://github.com/TryGhost/Ghost/pull/29635","https://github.com/TryGhost/Ghost/commit/a8bea3a4ceec4c852b880f4885119453c3d8588e","https://github.com/TryGhost/Ghost/releases/tag/v6.54.1"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-53391","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Aug 5, 2026, 2:40:12 PM","dateUpdated":"Aug 5, 2026, 5:32:38 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-53391","identifiers":["EUVD-2026-53391","CVE-2026-70596","GHSA-pr22-p9rp-2cqv"]},"retained":false,"historicalAffected":[]}],"coverage":[]}