CVE-2018-18874: Nconsulting Nc-CMS

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

nc-cms through 2017-03-10 allows remote attackers to execute arbitrary PHP code via the "Upload File or Image" feature, with a .php filename and "Content-Type: application/octet-stream" to the index.php?action=file_manager_upload URI.

Affected products

• Nconsulting Nc-CMS: up to and including 2017-03-10

Published 2018-10-31. Last modified 2026-06-17.