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.x.x ranging from 3.7.0 and up to and including 3.9.18 are vulnerable.
Remediation
Update to Joomla! Core version 3.9.19 or latest
References
Related Vulnerabilities
WordPress Plugin Simple Image Gallery Cross-Site Scripting (1.0.6)
WordPress Plugin Visual Email Designer for WooCommerce SQL Injection (1.7.1)
WordPress Plugin All-In-One Security (AIOS)-Security and Firewall Cross-Site Scripting (3.8.3)
phpMyAdmin Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2016-9853)