CVE-2025-40632— Cross-site scripting (XSS) vulnerability in IceWarp Mail Server
Quick assessment
Affected
Icewarp Icewarp Mail Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
IceWarp Mail Server是捷克爱思华宝（IceWarp）公司的一款邮件服务器产品。该产品支持电子邮件归档、SmartAttach附件、自动迁移等。 Icewarp Mail Server 11.4.0版本存在跨站脚本漏洞，该漏洞源于跨站脚本，可能导致执行恶意JavaScript代码。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1200 · Hardware Additions T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-40632
Vulnerability Information
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Vulnerability Title
Cross-site scripting (XSS) vulnerability in IceWarp Mail Server
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting (XSS) in Icewarp Mail Server affecting version 11.4.0. This vulnerability allows an attacker to modify the “lastLogin” cookie with malicious JavaScript code that will be executed when the page is rendered.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Icewarp Mail Server 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IceWarp Mail Server是捷克爱思华宝（IceWarp）公司的一款邮件服务器产品。该产品支持电子邮件归档、SmartAttach附件、自动迁移等。 Icewarp Mail Server 11.4.0版本存在跨站脚本漏洞，该漏洞源于跨站脚本，可能导致执行恶意JavaScript代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Icewarp | Icewarp Mail Server | 11.4.0 | - |
|
II. Public POCs for CVE-2025-40632
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-40632 (1)
Same Patch Batch · Icewarp · 2025-05-16 · 3 CVEs total
| CVE-2025-40631 | HTTP host header injection vulnerability in IceWarp Mail Server | |
| CVE-2025-40630 | Open redirection vulnerability in IceWarp Mail Server |
IV. Related Vulnerabilities
Same vendor: Icewarp
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CVE-2025-40631
HTTP host header injection vulnerability in IceWarp Mail Ser
Same weakness: CWE-79
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V. Comments for CVE-2025-40632
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