Is CVE-2016-8869 actively exploited?

CVE-2016-8869 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2016-8869?

CVE-2016-8869 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-8869?

Patch guidance is available from joomla security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-8869.

Fix CVE-2016-8869 - CRITICAL joomla joomla\!

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.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-20 · Improper Input Validation

Metadata

Primary Vendor: JOOMLA
Published: 11/4/2016
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2016-8869

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary