In phpMyAdmin before 4.9.11 and 5.x before 5.2.1, an authenticated user can trigger XSS by uploading a crafted .sql file through the drag-and-drop interface.
Exploitability
AV:NAC:LPR:LUI:RScope
S:CImpact
C:LI:LA:N5.4/CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N