CVE-2025-40632

low-risk
Published 2025-05-16

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.

Do I need to act?

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0.17% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Icewarp

References (1)

Third Party Advisory https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-icew...
29
/ 100
low-risk
Severity 23/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal