CVE-2025-40632

LOW
2025-05-16 [email protected]
2.0
CVSS 4.0

CVSS Vector

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:42 vuln.today
CVE Published
May 16, 2025 - 11:15 nvd
LOW 2.0

Tags

XSS Mail Server

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.

Analysis

Cross-site scripting (XSS) in Icewarp Mail Server affecting version 11.4.0. Rated low severity (CVSS 2.0), this vulnerability is no authentication required. No vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Icewarp Mail Server. Version information: version 11.4.0..

Affected Products

Icewarp Mail Server.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

10
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +10
POC: 0

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CVE-2025-40632 vulnerability details – vuln.today
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