CVE-2016-8869

high-risk
Published 2016-11-04

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.

Do I need to act?

!
91.9% chance of exploitation in next 30 days
EPSS score — higher than 8% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
40637
+
Fix available
Upgrade to: bae1d43938c878480cfd73671e4945211538fdcf
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Joomla

References (16)

Third Party Advisory http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_prives...
Third Party Advisory http://www.securityfocus.com/bid/93883
Third Party Advisory http://www.securitytracker.com/id/1037108
Exploit https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerabilit...
Vendor Advisory https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileg...
Patch https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538...
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileg...
Exploit https://www.exploit-db.com/exploits/40637/
Third Party Advisory http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_prives...
Third Party Advisory http://www.securityfocus.com/bid/93883
Third Party Advisory http://www.securitytracker.com/id/1037108
Exploit https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerabilit...
Vendor Advisory https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileg...
Patch https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538...
https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileg...
Exploit https://www.exploit-db.com/exploits/40637/
57
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal