XSS in Mdaemon Email Server
CVE-2025-3929
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…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (40.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Mdaemon Email Server — versions 0, 25.0.2
- Mdaemon Email_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@eset.com (Release Notes)
Frequently asked questions
- What is CVE-2025-3929?
- CVE-2025-3929 is a medium-severity vulnerability in Mdaemon Email Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-04-29.
- How severe is CVE-2025-3929?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2025-3929 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.