There are multiple Persistent XSS vulnerabilities in Radiant CMS 1.1.4. They affect Personal Preferences (Name and Username) and Configuration (Site Title, Dev Site Domain, Page Parts, and Page Fields).
Severity
CVSS 3.0
5.4 medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)