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CVE-2025-40632

LOWCVSS 2/10EPSS 0.18%

Last modified

CVE-2025-40632 is a low-severity vulnerability rated 2/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0
2/10

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

EPSS Probability
0.18%

8.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IcewarpMail Server11.4.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-40632?
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.
How severe is CVE-2025-40632?
CVE-2025-40632 has a CVSS score of 2/10 (LOW severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40632?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-40632?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST