FUEL CMS 1.4.11 has stored XSS in Blocks/Navigation/Site variables. This could lead to cookie stealing and other malicious actions. This vulnerability can be exploited with an authenticated account and also impact other visitors.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26046
Reference (s):
- https://getfuelcms.com
- https://github.com/daylightstudio/FUEL-CMS/issues/574