CVE-2016-8869

9.8 CRITICAL

Published: November 04, 2016 Modified: May 06, 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc

Source: cve@mitre.org

Third Party Advisory

http://www.securityfocus.com/bid/93883

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://www.securitytracker.com/id/1037108

Source: cve@mitre.org

Third Party Advisory VDB Entry

https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html

Source: cve@mitre.org

Exploit Technical Description Third Party Advisory

https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html

Source: cve@mitre.org

Vendor Advisory

https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf

Source: cve@mitre.org

Patch

https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r

Source: cve@mitre.org

https://www.exploit-db.com/exploits/40637/

Source: cve@mitre.org

Exploit Third Party Advisory

http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc