CVE-2017-13670: Blackcat-CMS Blackcat CMS

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

In BlackCat CMS 1.2, remote authenticated users can upload any file via the media upload function in backend/media/ajax_upload.php, as demonstrated by a ZIP archive that contains a .php file.

Affected products

• Blackcat-CMS Blackcat CMS: version 1.2 only

Published 2017-08-31. Last modified 2026-06-17.