In Joomla! before 3.8.4, the lack of type casting of a variable in a SQL statement leads to a SQL injection vulnerability in the Hathor postinstall message.
https://developer.joomla.org/security-centre/722-20180105-core-sqli-vulnerability.html
http://www.securitytracker.com/id/1040316
http://www.securityfocus.com/bid/102916
Source: Mitre, NVD
Published: 2018-01-30
Updated: 2018-02-13
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical