CVE-2020-26167: Thedaylightstudio Fuel CMS

Critical severity, CVSS 9.8. EPSS: 3.4% chance of exploitation in the next 30 days.

In FUEL CMS 11.4.12 and before, the page preview feature allows an anonymous user to take complete ownership of any account including an administrator one.

Affected products

• Thedaylightstudio Fuel CMS: up to and including 1.4.12

Published 2020-11-04. Last modified 2026-06-17.