An issue was discovered in Smartstore (aka SmartStoreNET) before 4.1.0. Administration/Controllers/ImportController.cs allows path traversal (for copy and delete actions) in the ImportController.Create method via a TempFileName field.
Severity
CVSS 3.1
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)