{"id":"CVE-2021-25973","aliases":["BIT-publify-2021-25973","EUVD-2021-2410","GHSA-x24j-87x9-jvv5"],"status":"published","title":"Publify - Improper Authorization Leads to Guest Signup Restriction Bypass","description":"In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. “guest” role users can self-register even when the admin does not allow. This happens due to front-end restriction only.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00827,"percentile":0.57716,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285","CWE-669","CWE-863"],"published":"2021-11-02T06:55:09Z","modified":"2026-10-20T10:54:33Z","fixes":[{"ecosystem":"RubyGems","package":"publify_core","fixed_in":["9.2.5"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"publify","fixed_in":["9.2.4"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"publify_core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0.pre1"},{"fixed":"9.2.5"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"publify","ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.0"},{"fixed":"9.2.4"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"publify_core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0.pre1"},{"fixed":"9.2.5"}]}],"versions":["9.0.0","9.0.0.pre1","9.0.0.pre2","9.0.0.pre3","9.0.0.pre4","9.0.0.pre5","9.0.0.pre6","9.0.1","9.1.0","9.2.0","9.2.1","9.2.2","9.2.3","9.2.4"]}],"products":[{"vendor":"publify_core","product":"publify_core"},{"vendor":"publify_project","product":"publify"}],"references":[{"url":"https://github.com/publify/publify/commit/3447e0241e921b65f6eb1090453d8ea73e98387e","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web","fix"]},{"url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25973","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25973","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/publify_core/CVE-2021-25973.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-x24j-87x9-jvv5"},{"url":"https://github.com/publify/publify","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-25973","title":"Publify - Improper Authorization Leads to Guest Signup Restriction Bypass","description":"In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. “guest” role users can self-register even when the admin does not allow. This happens due to front-end restriction only.","status":"published","published":"2021-11-02T06:55:09Z","modified":"2025-04-30T15:52:50.959Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-2410","description":"In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. “guest” role users can self-register even when the admin does not allow. This happens due to front-end restriction only.","status":"published","published":"2021-11-02T06:55:09Z","modified":"2025-04-30T15:52:50Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:51:59.026225Z"}],"ghsa":[{"id":"GHSA-x24j-87x9-jvv5","title":"Publify `guest` role users can self-register even when the admin does not allow it","description":"In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. `guest` role users can self-register even when the admin does not allow it. This happens due to front-end restriction only.","status":"published","published":"2021-11-03T17:34:22Z","modified":"2023-05-04T19:52:21Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-285","CWE-669","CWE-863"],"updated_at":"2026-11-02T14:36:52.310293Z"}],"nvd":[{"id":"CVE-2021-25973","description":"In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. “guest” role users can self-register even when the admin does not allow. This happens due to front-end restriction only.","status":"published","published":"2021-11-02T07:15:07.053Z","modified":"2026-06-17T03:42:42.473Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-285","CWE-669"],"updated_at":"2026-11-02T14:07:00.549994Z"}],"osv":[{"id":"CVE-2021-25973","description":"In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. “guest” role users can self-register even when the admin does not allow. This happens due to front-end restriction only.","status":"published","published":"2021-11-02T07:15:07.053Z","modified":"2026-10-20T10:54:33.743608833Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"GHSA-x24j-87x9-jvv5","title":"Publify `guest` role users can self-register even when the admin does not allow it","description":"In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. `guest` role users can self-register even when the admin does not allow it. This happens due to front-end restriction only.","status":"published","published":"2021-11-03T17:34:22Z","modified":"2024-02-16T08:16:23.874641Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-285","CWE-669","CWE-863"],"updated_at":"2026-11-02T15:46:59.131095Z"},{"id":"BIT-publify-2021-25973","description":"In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. “guest” role users can self-register even when the admin does not allow. This happens due to front-end restriction only.","status":"published","published":"2024-03-06T11:04:39.371Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:34.724063Z"}]}}