Home/CVE/The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before
CVE

CVE-2016-8870

The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before

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.

HIGH · CVSS 8.1 EPSS 0.91606
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
joomla joomla\!<= 3.6.3
⚠

Public Exploits & PoCs

2
webappsJoomla! 3.4.4 < 3.6.4 - Account Creation / Privilege Escalation2016-10-27
pocwww.exploit-db.com · 40637www.exploit-db.com
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Nov 2016 · 09:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privescThird Party Advisory
http://www.securityfocus.com/bid/93876Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037107
http://www.securitytracker.com/id/1037108Third Party AdvisoryVDB Entry
https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html
https://developer.joomla.org/security-centre/659-20161001-core-account-creation.htmlVendor Advisory
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