CVE-2018-20063: Gurock Testrail

High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days.

An issue was discovered in Gurock TestRail 5.6.0.3853. An "Unrestricted Upload of File" vulnerability exists in the image-upload form (available in the description editor), allowing remote authenticated users to execute arbitrary code by uploading an image file with an executable extension but a safe Content-Type value, and then accessing it via a direct request to the file in the file-upload directory (if it's accessible according to the server configuration).

Affected products

• Gurock Testrail: version 5.6.0.3853 only

Published 2019-02-25. Last modified 2026-06-17.