Description
Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently bypass ACLs. Joomla! Core versions 3.x.x ranging from 3.1.0 and up to and including 3.8.12 are vulnerable.
Remediation
Update to Joomla! Core version 3.8.13 or latest
References
Related Vulnerabilities
Joomla Permissions, Privileges, and Access Controls Vulnerability (CVE-2008-3226)
WordPress Plugin Clean Login Cross-Site Scripting (1.12.6.3)
WordPress Plugin Welcome Announcement Multiple Cross-Site Scripting Vulnerabilities (1.0.5)
MySQL CVE-2017-3331 Vulnerability (CVE-2017-3331)
WordPress Plugin BuddyPress Members Only Cross-Site Scripting (1.8.3)