CVE-2016-8870

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

81.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.6% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-11-04 21:00Z9 YR AGO

Last updated

2024-08-06 02:35Z2 YR AGO

Reserved

2016-10-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

52568398e95fb95b9739fe737d7915ea8e709bb23b52b29147a4acc85506bf49

• www.securityfocus.com93876http://www.securityfocus.com/bid/93876vdb-entryx_refsource_BID
• blog.sucuri.nethttps://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.htmlx_refsource_MISC
• developer.joomla.orghttps://developer.joomla.org/security-centre/659-20161001-core-account-creation.htmlx_refsource_CONFIRM
• www.rapid7.comhttp://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privescx_refsource_MISC
• www.exploit-db.com40637https://www.exploit-db.com/exploits/40637/exploitx_refsource_EXPLOIT-DB
• www.securitytracker.com1037108http://www.securitytracker.com/id/1037108vdb-entryx_refsource_SECTRACK
• www.securitytracker.com1037107http://www.securitytracker.com/id/1037107vdb-entryx_refsource_SECTRACK
• github.comhttps://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcfx_refsource_CONFIRM
• medium.comhttps://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4rx_refsource_MISC