CVE-2020-8639: Testlink

High severity, CVSS 8.8. EPSS: 15.9% chance of exploitation in the next 30 days.

An unrestricted file upload vulnerability in keywordsImport.php in TestLink 1.9.20 allows remote attackers to execute arbitrary code by uploading a file with an executable extension. This allows an authenticated attacker to upload a malicious file (containing PHP code to execute operating system commands) to a publicly accessible directory of the application.

Affected products

• Testlink Testlink: version 1.9.20 only

Published 2020-04-03. Last modified 2026-06-17.