Medium severity · published Apr 29, 2025
CVE-2025-3929
An XSS issue was discovered in MDaemon Email Server version 25.0.1 and below
6.1
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Email Server · Mdaemon
20.0.0 before 20.0.9; 21.0.0 before 21.0.8; 21.5.0 before 21.5.6; 22.0.0 before 22.0.7; 23.0.0 before 23.0.4; 23.5.0 before 23.5.5; +3 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3929
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3929
Release Notes
https://mdaemon.com/pages/downloads-critical-updates
More from Email Server
6.1
CVE-2024-11182
Stored XSS vulnerability in MDaemon Email Server
