{"id":"CVE-2020-15248","aliases":["EUVD-2020-1471","GHSA-rfjc-xrmf-5vvw"],"status":"published","title":"Privilege escalation by backend users assigned to the default \"Publisher\" system role","description":"October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default \"Publisher\" system role have access to create \u0026 manage users where they can choose which role the new user has. This means that a user with \"Publisher\" access has the ability to escalate their access to \"Developer\" access. Issue has been patched in Build 470 (v1.0.470) \u0026 v1.1.1.","severity":{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00313,"percentile":0.2437,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269","CWE-863"],"published":"2020-11-23T19:40:15Z","modified":"2026-10-20T10:51:53Z","fixes":[{"ecosystem":"Packagist","package":"october/backend","fixed_in":["1.0.470"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"october/backend","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.319"},{"fixed":"1.0.470"}]}]},{"source":"osv","ecosystem":"Packagist","package":"october/backend","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.319"},{"fixed":"1.0.470"}]}],"versions":["v1.0.319","v1.0.320","v1.0.321","v1.0.322","v1.0.323","v1.0.324","v1.0.325","v1.0.326","v1.0.327","v1.0.328","v1.0.329","v1.0.330","v1.0.331","v1.0.332","v1.0.333","v1.0.334","v1.0.335","v1.0.336","v1.0.337","v1.0.338","v1.0.339","v1.0.340","v1.0.341","v1.0.342","v1.0.343","v1.0.344","v1.0.345","v1.0.346","v1.0.347","v1.0.348","v1.0.349","v1.0.350","v1.0.351","v1.0.352","v1.0.353","v1.0.354","v1.0.355","v1.0.356","v1.0.357","v1.0.358","v1.0.359","v1.0.360","v1.0.361","v1.0.362","v1.0.363","v1.0.364","v1.0.365","v1.0.366","v1.0.367","v1.0.368","v1.0.369","v1.0.370","v1.0.371","v1.0.372","v1.0.373","v1.0.374","v1.0.375","v1.0.376","v1.0.377","v1.0.378","v1.0.379","v1.0.380","v1.0.381","v1.0.382","v1.0.383","v1.0.384","v1.0.385","v1.0.386","v1.0.387","v1.0.388","v1.0.389","v1.0.390","v1.0.391","v1.0.392","v1.0.393","v1.0.394","v1.0.395","v1.0.396","v1.0.397","v1.0.398","v1.0.399","v1.0.400","v1.0.401","v1.0.402","v1.0.403","v1.0.404","v1.0.405","v1.0.406","v1.0.407","v1.0.408","v1.0.409","v1.0.410","v1.0.411","v1.0.412","v1.0.413","v1.0.414","v1.0.415","v1.0.416","v1.0.417","v1.0.418","v1.0.419","v1.0.420","v1.0.421","v1.0.422","v1.0.423","v1.0.424","v1.0.425","v1.0.426","v1.0.427","v1.0.428","v1.0.429","v1.0.430","v1.0.431","v1.0.432","v1.0.433","v1.0.434","v1.0.435","v1.0.436","v1.0.437","v1.0.438","v1.0.439","v1.0.440","v1.0.441","v1.0.442","v1.0.443","v1.0.444","v1.0.445","v1.0.446","v1.0.447","v1.0.448","v1.0.449","v1.0.450","v1.0.451","v1.0.452","v1.0.453","v1.0.454","v1.0.455","v1.0.456","v1.0.457","v1.0.458","v1.0.459","v1.0.460","v1.0.461","v1.0.462","v1.0.463","v1.0.464","v1.0.465","v1.0.466","v1.0.467","v1.0.468","v1.0.469"]}],"products":[{"vendor":"octobercms","product":"october"}],"references":[{"url":"https://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvw","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/octobercms/october/commit/4c650bb775ab849e48202a4923bac93bd74f9982","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15248","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rfjc-xrmf-5vvw"},{"url":"https://github.com/octobercms/october","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2020-15248","title":"Privilege escalation by backend users assigned to the default \"Publisher\" system role","description":"October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default \"Publisher\" system role have access to create \u0026 manage users where they can choose which role the new user has. This means that a user with \"Publisher\" access has the ability to escalate their access to \"Developer\" access. Issue has been patched in Build 470 (v1.0.470) \u0026 v1.1.1.","status":"published","published":"2020-11-23T19:40:15Z","modified":"2024-08-04T13:08:23.177Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-1471","description":"October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default \"Publisher\" system role have access to create \u0026 manage users where they can choose which role the new user has. This means that a user with \"Publisher\" access has the ability to escalate their access to \"Developer\" access. Issue has been patched in Build 470 (v1.0.470) \u0026 v1.1.1.","status":"published","published":"2020-11-23T19:40:15Z","modified":"2024-08-04T13:08:23Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T03:07:32.55679Z"}],"ghsa":[{"id":"GHSA-rfjc-xrmf-5vvw","title":"Privilege escalation by backend users assigned to the default \"Publisher\" system role","description":"### Impact\nBackend users with the default \"Publisher\" system role have access to create \u0026 manage users where they can choose which role the new user has. This means that a user with \"Publisher\" access has the ability to escalate their access to \"Developer\" access. \n\n### Patches\nIssue has been patched in Build 470 (v1.0.470) \u0026 v1.1.1.\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829 to your installation manually if unable to upgrade to Build 470 or v1.1.1.\n\n### References\nReported by [Hoan Hoang](https://github.com/hoanhp)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [hello@octobercms.com](mailto:hello@octobercms.com)\n\n### Threat assessment:\n\u003cimg width=\"1098\" alt=\"Screen Shot 2020-10-10 at 1 37 25 PM\" src=\"https://user-images.githubusercontent.com/7253840/95663611-e6326c80-0afd-11eb-8a1e-8b767a7202fb.png\"\u003e","status":"published","published":"2020-11-23T19:47:27Z","modified":"2023-02-01T05:05:08Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-269","CWE-863"],"updated_at":"2026-11-02T14:36:32.918681Z"}],"nvd":[{"id":"CVE-2020-15248","description":"October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default \"Publisher\" system role have access to create \u0026 manage users where they can choose which role the new user has. This means that a user with \"Publisher\" access has the ability to escalate their access to \"Developer\" access. Issue has been patched in Build 470 (v1.0.470) \u0026 v1.1.1.","status":"published","published":"2020-11-23T20:15:12.463Z","modified":"2026-06-17T02:56:21.303Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863","CWE-269"],"updated_at":"2026-11-02T14:06:25.394006Z"}],"osv":[{"id":"CVE-2020-15248","description":"October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default \"Publisher\" system role have access to create \u0026 manage users where they can choose which role the new user has. This means that a user with \"Publisher\" access has the ability to escalate their access to \"Developer\" access. Issue has been patched in Build 470 (v1.0.470) \u0026 v1.1.1.","status":"published","published":"2020-11-23T20:15:12.463Z","modified":"2026-10-20T10:51:53.765446457Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-rfjc-xrmf-5vvw","title":"Privilege escalation by backend users assigned to the default \"Publisher\" system role","description":"### Impact\nBackend users with the default \"Publisher\" system role have access to create \u0026 manage users where they can choose which role the new user has. This means that a user with \"Publisher\" access has the ability to escalate their access to \"Developer\" access. \n\n### Patches\nIssue has been patched in Build 470 (v1.0.470) \u0026 v1.1.1.\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829 to your installation manually if unable to upgrade to Build 470 or v1.1.1.\n\n### References\nReported by [Hoan Hoang](https://github.com/hoanhp)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [hello@octobercms.com](mailto:hello@octobercms.com)\n\n### Threat assessment:\n\u003cimg width=\"1098\" alt=\"Screen Shot 2020-10-10 at 1 37 25 PM\" src=\"https://user-images.githubusercontent.com/7253840/95663611-e6326c80-0afd-11eb-8a1e-8b767a7202fb.png\"\u003e","status":"published","published":"2020-11-23T19:47:27Z","modified":"2026-07-08T06:27:54.51329034Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-269","CWE-863"],"updated_at":"2026-11-02T15:46:55.877614Z"}]}}