HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected.
Exploitability
AV:AAC:HAT:NPR:NUI:AVulnerable System
VC:NVI:NVA:NSubsequent System
SC:LSI:LSA:N2/CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NOther