{"id":"GHSA-78x2-cwp9-5j42","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","aliases":["BIT-ghost-2024-43409","CVE-2024-43409"],"modified":"2024-10-29T20:00:41Z","published":"2024-08-20T20:04:49Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2024-08-20T20:04:49Z","nvd_published_at":"2024-08-20T15:15:24Z","cwe_ids":["CWE-284","CWE-287"],"severity":"MODERATE"},"references":[{"type":"WEB","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":"WEB","url":"https://github.com/TryGhost/Ghost/commit/dac25612520b571f58679764ecc27109e641d1db"},{"type":"PACKAGE","url":"https://github.com/TryGhost/Ghost"}],"affected":[{"package":{"name":"ghost","ecosystem":"npm","purl":"pkg:npm/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"4.46.0"},{"fixed":"5.89.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/08/GHSA-78x2-cwp9-5j42/GHSA-78x2-cwp9-5j42.json"}},{"package":{"name":"@tryghost/portal","ecosystem":"npm","purl":"pkg:npm/%40tryghost/portal"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.22.2"},{"fixed":"2.39.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/08/GHSA-78x2-cwp9-5j42/GHSA-78x2-cwp9-5j42.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"}]}