Improper input validation in Joomla Joomla\!

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 registration has been disabled, allows remote attackers to create user accounts by leveraging failure to c…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.916 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • 93876 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_MISC)
  • cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)
  • 40637 (Exploit, exploit, Third Party Advisory, x_refsource_EXPLOIT-DB)
  • 1037108 (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK)
  • 1037107 (vdb-entry, x_refsource_SECTRACK)
  • cve@mitre.org (x_refsource_CONFIRM, Patch)
  • cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2016-8870?
CVE-2016-8870 is a high-severity vulnerability in Joomla Joomla\!, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2016-11-04.
How severe is CVE-2016-8870?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2016-8870 known to be exploited?
18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.