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CVE-2025-40631

MEDIUM CVSS: 6.1 Published: 2025-05-16 Modified: 2026-06-17

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.

Affected Platforms

Icewarp Mail Server

Weakness Type

CWE-644

References