An issue was discovered in phpMyAdmin before 4.8.3. A Cross-Site Scripting vulnerability has been found where an attacker can use a crafted file to manipulate an authenticated user who loads that file through the import feature.
https://www.phpmyadmin.net/security/PMASA-2018-5/
https://github.com/phpmyadmin/phpmyadmin/commit/00d90b3ae415b31338f76263359467a9fbebd0a1