CVE-2025-3929

Stored XSS vulnerability in MDaemon Email Server

CVSS 5.3 MEDIUMEPSS 0.5%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

29 Apr 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Affected products

MDaemon · Email Server

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References

https://mdaemon.com/pages/downloads-critical-updates