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

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Envoy Proxy Insufficient Verification of Data Authenticity Vulnerability (CVE-2020-8660)

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Drupal Core 8.x Security Bypass (8.0.0 - 8.2.7)

WordPress Plugin Feature Slideshow 'src' Parameter Cross-Site Scripting (1.0.6beta)

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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