Description

Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to bypass intended access restrictions and perform otherwise restricted actions. Joomla! Core versions ranging from 1.5.0 and up to and including 3.8.12 are vulnerable.

Remediation

Update to Joomla! Core version 3.8.13 or latest

References

https://developer.joomla.org/security-centre/754-20181004-core-acl-violation-in-com-users-for-the-admin-verification.html

Related Vulnerabilities

phpMyAdmin Improper Input Validation Vulnerability (CVE-2011-2719)

WebLogic CVE-2018-1313 Vulnerability (CVE-2018-1313)

WordPress Plugin Custom 404 Pro Cross-Site Scripting (3.2.8)

WordPress Plugin Double Opt-In for Download Multiple Cross-Site Scripting Vulnerabilities (2.1.5)

WordPress Plugin Email Before Download Unspecified Vulnerability (6.9.3)

Severity

High

Classification

CVE-2018-17855 CWE-264 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass