{"id":"CVE-2016-8869","aliases":["EUVD-2016-9694","GHSA-v4hj-3rpq-j2ch"],"status":"published","title":"The register method in the UsersModelRegistration class in controllers/user.php in the Users...","description":"The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.97252,"percentile":0.99896,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2016-11-04T21:00:00Z","modified":"2026-10-20T10:47:31Z","exploits":[{"source":"exploitdb","id":"EDB-40637","title":"Joomla! 3.4.4 \u003c 3.6.4 - Account Creation / Privilege Escalation","type":"webapps","platform":"php","date":"2016-10-27","url":"https://www.exploit-db.com/exploits/40637"},{"source":"metasploit","id":"auxiliary/admin/http/joomla_registration_privesc","title":"Joomla Account Creation and Privilege Escalation","type":"auxiliary","date":"2016-10-25","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc"},{"source":"pocgithub","id":"cved-sources/cve-2016-8869","title":"cved-sources/cve-2016-8869","date":"2019-01-11","url":"https://github.com/cved-sources/cve-2016-8869"},{"source":"pocgithub","id":"rustyJ4ck/JoomlaCVE20168869","title":"rustyJ4ck/JoomlaCVE20168869","date":"2016-11-10","url":"https://github.com/rustyJ4ck/JoomlaCVE20168869"},{"source":"pocgithub","id":"zugetor/Joomla-3.4.4-3.6.4_CVE-2016-8869_and_CVE-2016-8870","title":"zugetor/Joomla-3.4.4-3.6.4_CVE-2016-8869_and_CVE-2016-8870","date":"2016-11-02","url":"https://github.com/zugetor/Joomla-3.4.4-3.6.4_CVE-2016-8869_and_CVE-2016-8870"}],"products":[{"vendor":"joomla","product":"joomla\\!"}],"references":[{"url":"https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/93883","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory","evidence"]},{"url":"http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.exploit-db.com/exploits/40637/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"http://www.securitytracker.com/id/1037108","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-8869"},{"url":"https://medium.com/@showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r"},{"url":"https://www.exploit-db.com/exploits/40637"},{"url":"https://github.com/advisories/GHSA-v4hj-3rpq-j2ch"}],"sources":{"cve":[{"id":"CVE-2016-8869","description":"The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.","status":"published","published":"2016-11-04T21:00:00Z","modified":"2024-08-06T02:35:01.939Z","updated_at":"2026-11-02T14:33:32.415289Z"}],"euvd":[{"id":"EUVD-2016-9694","description":"The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.","status":"published","published":"2016-11-04T21:00:00Z","modified":"2024-08-06T02:35:01Z","updated_at":"2026-11-03T02:22:29.188942Z"}],"ghsa":[{"id":"GHSA-v4hj-3rpq-j2ch","title":"The register method in the UsersModelRegistration class in controllers/user.php in the Users...","description":"The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.","status":"published","published":"2022-05-17T03:47:31Z","modified":"2025-04-12T13:07:17Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:30.348567Z"}],"nvd":[{"id":"CVE-2016-8869","description":"The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.","status":"published","published":"2016-11-04T21:59:07.553Z","modified":"2026-06-17T00:55:06.53Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:32.086916Z"}],"osv":[{"id":"CVE-2016-8869","description":"The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.","status":"published","published":"2016-11-04T21:59:07.553Z","modified":"2026-10-20T10:47:31.350799766Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:03.171316Z"}]}}