Vulnerability Intelligence Report
Stored XSS vulnerability 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 in the context of a webmail user's browser window, and access user data.
No Active Exploit Signals
CVSS Base Score
5.3
MEDIUM
EPSS Probability:0.47%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-79 ↗CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| MDaemon | Email Server | 0 <= 25.0.1 (affected), 25.0.2 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.474%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | ESET, spol. s r.o. · Vendor · Slovak Republic |
| Reserved | 2025-04-25T06:32:08 |
| Published | 2025-04-29T11:36:33 |
| Last Updated | 2025-04-29T13:19:29 |
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