CVE-2025-3929

Stored XSS vulnerability in MDaemon Email Server

Description

An XSS issue was discovered in MDaemon Email Server version 25.0.1 and below. An attacker can send a specially crafted HTML e-mail message with JavaScript in an img tag. This could allow a remote attacker to load arbitrary JavaScript code in the context of a webmail user's browser window, and access user data.

Category

5.3
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.04%
Affected: MDaemon Email Server
Published at:
Updated at:

References

Link Tags
https://mdaemon.com/pages/downloads-critical-updates release notes

Frequently Asked Questions

What is the severity of CVE-2025-3929?
CVE-2025-3929 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3929?
To fix CVE-2025-3929, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3929 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-3929 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3929?
CVE-2025-3929 affects MDaemon Email Server.
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