CVE-2016-8869

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 93.42% Top 5%
Vendor Advisory joomla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html vendor advisory
http://www.securityfocus.com/bid/93883 vdb entry third party advisory
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html exploit third party advisory technical description
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc third party advisory
https://www.exploit-db.com/exploits/40637/ third party advisory exploit
http://www.securitytracker.com/id/1037108 vdb entry third party advisory
https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf patch
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r

Frequently Asked Questions

What is the severity of CVE-2016-8869?
CVE-2016-8869 has been scored as a critical severity vulnerability.
How to fix CVE-2016-8869?
To fix CVE-2016-8869, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-8869 being actively exploited in the wild?
It is possible that CVE-2016-8869 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~93% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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