Joomla! before 3.9.19 Cross-Site Request Forgery (CSRF) Vulnerability
Missing token checks in com_postinstall cause CSRF vulnerabilities.
The information has been provided by Bui Duc Anh Khoa
The original article can be found at:https://developer.joomla.org/security-centre/817-20200605-core-csrf-in-com-postinstall
In Joomla! before 3.9.19, missing token checks in com_postinstall lead to CSRF.
Joomla! before 3.9.19