{"id":"CVE-2026-105644","aliases":["BIT-ghost-2026-105644","EUVD-2026-92633","GHSA-hqq2-xqr2-fmx2"],"status":"published","title":"Ghost: Stored XSS via SVG Files in Content Imports","description":"Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00322,"percentile":0.25555,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434","CWE-79"],"published":"2026-10-05T18:53:08Z","modified":"2026-10-28T02:30:23Z","fixes":[{"ecosystem":"npm","package":"ghost","fixed_in":["6.67.0"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"ghost","fixed_in":["6.67.0"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"ghost","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"6.67.0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"ghost","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"6.67.0"}]}]},{"source":"osv","ecosystem":"npm","package":"ghost","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"6.67.0"}]}]}],"products":[{"vendor":"tryghost","product":"ghost"}],"references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-hqq2-xqr2-fmx2","tags":["x_refsource_CONFIRM","web","advisory"]},{"url":"https://github.com/TryGhost/Ghost/pull/31060","tags":["x_refsource_MISC","web","fix"]},{"url":"https://github.com/TryGhost/Ghost/commit/1be06f4e95a5eb159d14abda7660e689af13cff1","tags":["x_refsource_MISC","web","fix"]},{"url":"https://github.com/TryGhost/Ghost/releases/tag/v6.66.0","tags":["x_refsource_MISC","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105644","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-hqq2-xqr2-fmx2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105644.json","tags":["advisory"]},{"url":"https://github.com/TryGhost/Ghost","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-105644","title":"Ghost: Stored XSS via SVG Files in Content Imports","description":"Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.","status":"published","published":"2026-10-05T18:53:08.624Z","modified":"2026-10-06T14:52:36.497Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79","CWE-434"],"updated_at":"2026-11-02T14:19:56.755658Z"}],"euvd":[{"id":"EUVD-2026-92633","description":"Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.","status":"published","published":"2026-10-05T18:53:08Z","modified":"2026-10-06T14:52:36Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:37.480805Z"}],"ghsa":[{"id":"GHSA-hqq2-xqr2-fmx2","title":"Ghost : Stored XSS via SVG Files in Content Imports","description":"### Impact\n\nSVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v4.0.0 up to v6.65.0.\n\n### Patches\n\nv6.67.0 contains a fix for this issue.\n\n### How to update\n\nFor self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n### References\n\nGhost thanks [Zhixi \"Jace\" Sun](https://github.com/manus-pi), independent security researcher, for disclosing this vulnerability responsibly.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).","status":"published","published":"2026-10-07T20:43:03Z","modified":"2026-10-07T20:43:05Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-79","CWE-434"],"updated_at":"2026-11-02T14:41:29.107536Z"}],"nvd":[{"id":"CVE-2026-105644","description":"Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.","status":"published","published":"2026-10-05T19:17:19.06Z","modified":"2026-10-06T15:17:13.913Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79","CWE-434"],"updated_at":"2026-11-02T14:12:54.129949Z"}],"osv":[{"id":"CVE-2026-105644","title":"Ghost: Stored XSS via SVG Files in Content Imports","description":"Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.","status":"published","published":"2026-10-05T18:53:08.624Z","modified":"2026-10-28T02:30:23.156546553Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-434","CWE-79"],"updated_at":"2026-11-02T15:44:54.583213Z"},{"id":"GHSA-hqq2-xqr2-fmx2","title":"Ghost : Stored XSS via SVG Files in Content Imports","description":"### Impact\n\nSVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v4.0.0 up to v6.65.0.\n\n### Patches\n\nv6.67.0 contains a fix for this issue.\n\n### How to update\n\nFor self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n### References\n\nGhost thanks [Zhixi \"Jace\" Sun](https://github.com/manus-pi), independent security researcher, for disclosing this vulnerability responsibly.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).","status":"published","published":"2026-10-07T20:43:03Z","modified":"2026-10-13T08:25:43.238877068Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-434","CWE-79"],"updated_at":"2026-11-02T15:46:49.621585Z"},{"id":"BIT-ghost-2026-105644","title":"Ghost: Stored XSS via SVG Files in Content Imports","description":"Ghost is a Node.js content management system. From 4.0.0 until 6.67.0, SVG images included in content imports were stored without sanitization. An attacker who convinced an Administrator to import a crafted file could host scripts on the site's domain, possibly resulting in compromise of staff users' admin sessions. This issue is fixed in version 6.67.0.","status":"published","published":"2026-10-13T06:50:11.09Z","modified":"2026-10-13T08:25:43.238877068Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}