{"id":"CVE-2024-43409","aliases":["BIT-ghost-2024-43409","GHSA-78x2-cwp9-5j42"],"url":"https://o3.security/vulnerability/CVE-2024-43409","summary":"Ghost's improper authentication allows access to member information and actions","details":"### Impact\n\nImproper authentication on some endpoints used for member actions would allow an attacker to perform member-only actions, and read member information.\n\n### Vulnerable versions\n\nThis security vulnerability is present in Ghost v4.46.0-v5.89.5.\n\nGhost(Pro) customers are automatically updated to fixed versions ahead of disclosure.\n\nIf you're a self-hoster, please follow our [update instructions](https://ghost.org/docs/update).\n\n### Patches\n\nv5.89.5 contains a fix for this issue.\n\n### Workarounds\n\nDisable site membership in Ghost settings.\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Email us at [security@ghost.org](mailto:security@ghost.org)\n","published":"2024-08-20T15:05:04.338Z","modified":"2026-10-28T02:30:25.023758151Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"ghost","fixedVersion":"5.89.5"},{"ecosystem":"npm","name":"@tryghost/portal","fixedVersion":"2.39.0"}],"fix":{"url":"https://github.com/TryGhost/Ghost/commit/dac25612520b571f58679764ecc27109e641d1db","label":"TryGhost/Ghost@dac2561"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43409.json"},{"type":"ADVISORY","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-78x2-cwp9-5j42"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43409"},{"type":"FIX","url":"https://github.com/TryGhost/Ghost/commit/dac25612520b571f58679764ecc27109e641d1db"},{"type":"PACKAGE","url":"https://github.com/TryGhost/Ghost"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:25.023758151Z"}}