CVE-2025-40631
Medium
Description
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.
SeverityMedium
CVSS6.1
Exploit probability—
ProductIcewarp Mail Server
PublishedMay 16, 2025
First seenMay 16, 2025
Weakness typeCWE-644CWE-644
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| icewarp mail_server | 11.4.0 | — |
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