CVE-2019-11021: Schlix CMS

High severity, CVSS 7.2. EPSS: 2.2% chance of exploitation in the next 30 days.

admin/app/mediamanager in Schlix CMS 2.1.8-7 allows Authenticated Unrestricted File Upload, leading to remote code execution. NOTE: "While inadvertently allowing a PHP file to be uploaded via Media Manager was an oversight, it still requires an admin permission. We think it's pretty rare for an administrator to exploit a bug on his/her own site to own his/her own site.

Affected products

  • Schlix CMS: version 2.1.8-7 only

Published 2019-10-24. Last modified 2026-06-17.