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CVE-2016-8870 Details

Description

The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4, when registration has been disabled, allows remote attackers to create user accounts by leveraging failure to check the Allow User Registration configuration setting.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html	CVE
https://developer.joomla.org/security-centre/659-20161001-core-account-creation.html	CVE	Vendor Advisory
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf	CVE	Patch
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r	CVE
https://www.exploit-db.com/exploits/40637/	CVE	ExploitThird Party Advisory
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc	CVE	Third Party Advisory
http://www.securityfocus.com/bid/93876	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037107	CVE
http://www.securitytracker.com/id/1037108	CVE	Third Party AdvisoryVDB Entry
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html	[email protected]
https://developer.joomla.org/security-centre/659-20161001-core-account-creation.html	[email protected]	Vendor Advisory
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf	[email protected]	Patch
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r	[email protected]
https://www.exploit-db.com/exploits/40637/	[email protected]	ExploitThird Party Advisory
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc	[email protected]	Third Party Advisory
http://www.securityfocus.com/bid/93876	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037107	[email protected]
http://www.securitytracker.com/id/1037108	[email protected]	Third Party AdvisoryVDB Entry

see all 18 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
joomla joomla!	<= 3.6.3
CPE cpe:2.3:a:joomla:joomla!:::::::: Remediation No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Jul 29, 2017	CVE Modified	[email protected]
Nov 7, 2016	Initial Analysis	[email protected]
Nov 7, 2016	Modified Analysis	[email protected]
Nov 7, 2016	Initial Analysis	[email protected]
Nov 5, 2016	CVE Translated	[email protected]