#VU109215 Cross-site scripting in MDaemon - CVE-2025-3929

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Main Vulnerability Database Vulnerabilities #VU109215

#VU109215 Cross-site scripting in MDaemon - CVE-2025-3929

Published: May 15, 2025


Vulnerability identifier: #VU109215
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-3929
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MDaemon
Software vendor:
Alt-N

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when handling IMG tag inside email messages. A remote attacker can trick the victim into opening a specially crafted email message and execute arbitrary JavaScript code in user's browser in context of vulnerable website.



Remediation

Install updates from vendor's website.

External links