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.
https://github.com/daylightstudio/FUEL-CMS/
https://excellium-services.com/cert-xlm-advisory/cve-2020-26167/
https://www.getfuelcms.com/
https://thedaylightstudio.com/
https://cds.thalesgroup.com/en/tcs-cert/CVE-2020-26167
Source: Mitre, NVD
Published: 2020-11-04
Updated: 2025-05-30
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.02945