CVE-2018-17553: Naviwebs Navigate CMS

High severity, CVSS 8.8. EPSS: 79% chance of exploitation in the next 30 days.

An "Unrestricted Upload of File with Dangerous Type" issue with directory traversal in navigate_upload.php in Naviwebs Navigate CMS 2.8 allows authenticated attackers to achieve remote code execution via a POST request with engine=picnik and id=../../../navigate_info.php.

Affected products

• Naviwebs Navigate CMS: version 2.8 only

Published 2018-10-03. Last modified 2026-06-17.