CVE-2025-3929 | BDVDB-2026-276521 Detail

MDaemonEmail 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.

Impact#

CAPEC-592 Stored XSS

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

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

Exploit#

No public exploit known

History#

Version 12025-04-29Record published in the CVE List.

Published

Published: 2025-04-29
Last modified: 2025-04-29

Vendor information

Vendor: MDaemon
Product: Email Server

All MDaemon vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 51.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 25.0.1
Fixed
Not stated
Vulnerable
Not stated
Fixed
25.0.2

Scoring System

CVSS v4.0

5.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	Passive
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	Low
Vulnerable System Availability	None
Subsequent System Confidentiality	Low
Subsequent System Integrity	Low
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).