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CVE-2016-8870
The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4, when…
High8.1EPSS 81.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 81.1% · top 0.4% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Weakness
Affected products
n/a
- affected n/a
References (9)
- 93876 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html (opens in a new tab)x_refsource_MISCx_transferred
- https://developer.joomla.org/security-centre/659-20161001-core-account-creation.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc (opens in a new tab)x_refsource_MISCx_transferred
- 40637 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 1037108 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 1037107 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .