VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published CVSS 5.3 mediumEPSS 0.6% probability of exploitation in 30 days
MDaemon

CVE-2025-3929: Stored XSS vulnerability in MDaemon Email Server

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 2 public reports, the first from .

How likely is exploitation in the next 30 days?
0.6%

EPSS score, percentile 50.4 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
5.3 Medium

CVSS v4.0 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • 25.0.1 and earlier

Unaffected 25.0.2

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

Description

Stored XSS vulnerability in MDaemon Email Server

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.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
MDaemon Email Server
StatusVersions
Affected25.0.1 and earlier
Unaffected25.0.2

Versions not listed are: unaffected.

Versions the record lists as unaffected: 25.0.2.

Source: CVE List, as of . About the data.

Weakness

CWE-79, 1 CAPEC
  • CWE-79: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Attack patterns (CAPEC)

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published

References

1

Known exploited MDaemon vulnerabilities

  • CVE-2024-11182: MDaemon Email Server Cross-Site Scripting (XSS) Vulnerability (added )