CVE-2016-8869

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privescThird Party Advisory
http://www.securityfocus.com/bid/93883Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037108Third Party Advisory, VDB Entry
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.htmlExploit, Technical Description, Third Party Advisory
https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.htmlVendor Advisory
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcfPatch
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r
https://www.exploit-db.com/exploits/40637/Exploit, Third Party Advisory
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privescThird Party Advisory
http://www.securityfocus.com/bid/93883Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037108Third Party Advisory, VDB Entry
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.htmlExploit, Technical Description, Third Party Advisory
https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.htmlVendor Advisory
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcfPatch
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r
https://www.exploit-db.com/exploits/40637/Exploit, Third Party Advisory

Timeline

Published: Nov 4, 2016
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2016

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