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 1.7.0 and up to and including 3.9.22 are vulnerable.
Remediation
Update to Joomla! Core version 3.9.23 or latest
References
Related Vulnerabilities
Joomla! Core Security Bypass (2.5.0 - 3.9.19)
Joomla Missing Authentication for Critical Function Vulnerability (CVE-2019-10946)
WordPress Plugin BetterLinks-Shorten, Track and Manage any URL Cross-Site Scripting (1.2.5)
PHP Improper Restriction of XML External Entity Reference Vulnerability (CVE-2013-1824)
WordPress Plugin Custom css-js-php Cross-Site Request Forgery (2.0.7)