Description
Joomla! Core is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. Joomla! Core versions 3.9.x ranging from 3.9.0 and up to and including 3.9.22 are vulnerable.
Remediation
Update to Joomla! Core version 3.9.23 or latest
References
Related Vulnerabilities
TYPO3 Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2009-3631)
Apache Tomcat Other Vulnerability (CVE-2002-0936)
Oracle JRE CVE-2017-10295 Vulnerability (CVE-2017-10295)
WordPress Plugin W3 Total Cache Multiple Vulnerabilities (0.9.4)
WordPress Plugin CP Contact Form with PayPal Multiple Vulnerabilities (1.1.5)