{"id":"GHSA-cgc2-rcrh-qr5x","summary":"Ghost Vulnerable to Remote Code Execution via Malicious Themes","details":"### Impact\n\nSpecifically crafted malicious themes can execute arbitrary code on the server running Ghost. \n\n### Vulnerable Versions\n\nThis vulnerability is present in Ghost v0.7.2 to v6.19.0.\n\n### Patches\n\nv6.19.1 contains a fix for this issue.\n\n### Workarounds\n\nGhost generally recommends users refrain from installing untrusted themes. If a malicious theme has already been installed, it is recommended to uninstall the theme and then inspect it to understand its impact, which will be attack-specific. \n\n### References\nGhost thanks Cristian-Alexandru Staicu at Endor Labs for disclosing this vulnerability responsibly. \n\n### For more information\n\nIf there are any questions or comments about this advisory, email Ghost at [security@ghost.org](mailto:security@ghost.org).","aliases":["BIT-ghost-2026-29053","CVE-2026-29053"],"modified":"2026-03-07T09:41:04.560861Z","published":"2026-03-03T20:01:21Z","database_specific":{"nvd_published_at":"2026-03-05T06:16:50Z","cwe_ids":["CWE-74"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-03-03T20:01:21Z"},"references":[{"type":"WEB","url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-cgc2-rcrh-qr5x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29053"},{"type":"PACKAGE","url":"https://github.com/TryGhost/Ghost"}],"affected":[{"package":{"name":"ghost","ecosystem":"npm","purl":"pkg:npm/ghost"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.7.2"},{"fixed":"6.19.1"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 6.19.0","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-cgc2-rcrh-qr5x/GHSA-cgc2-rcrh-qr5x.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H"}]}