← Vulnerability feed

Vulnerability record · CVE-2005-4209 · published 13 December 2005

CVE-2005-4209: Alt-n mdaemon code injection vulnerability

AAlt N · Mdaemon

WorldClient webmail in Alt-N MDaemon 8.1.3 allows remote attackers to prevent arbitrary users from accessing their inboxes via script tags in the Subject header of an e-mail message, which prevents the user from being able to access the Inbox folder, possibly due to a cross-site scripting (XSS) vulnerability.

4.3 CVSS 2.0 Medium EPSS 2.1% · top 18.6% CWE-94 · Code injection
4.3CVSS 2.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

WorldClient webmail in Alt-N MDaemon 8.1.3 allows remote attackers to prevent arbitrary users from accessing their inboxes via script tags in the Subject header of an e-mail message, which prevents the user from being able to access the Inbox folder, possibly due to a cross-site scripting (XSS) vulnerability.

AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2005-4209 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2006-5709Alt-n mdaemon vulnerabilityUnspecified vulnerability in WorldClient in Alt-N Technologies MDaemon before 9.50 has unknown impact and attack vectors related to a "JavaScript exp…EPSS 1.6%9.0CVE-2003-1470Alt-n mdaemon memory buffer overflow vulnerabilityBuffer overflow in IMAP service in MDaemon 6.7.5 and earlier allows remote authenticated users to cause a denial of service (crash) and execute arbit…EPSS 5.0%7.5CVE-2006-5708Alt-n mdaemon uncontrolled resource consumption vulnerabilityMultiple unspecified vulnerabilities in MDaemon and WorldClient in Alt-N Technologies MDaemon before 9.50 allow attackers to cause a denial of servic…EPSS 1.0%7.5CVE-2006-2646Alt-n mdaemon vulnerabilityBuffer overflow in Alt-N MDaemon, possibly 9.0.1 and earlier, allows remote attackers to execute arbitrary code via a long A0001 argument that begins…EPSS 4.6%7.5CVE-2005-4266Alt-n mdaemon vulnerabilityWorldClient.dll in Alt-N MDaemon and WorldClient 8.1.3 trusts a Session parameter that contains a randomly generated session ID that is associated wi…EPSS 1.3%7.5CVE-2003-1200Alt-N MDaemon FORM2RAW.exe stack buffer overflow via From parameterFORM2RAW.exe in Alt-N MDaemon 6.5.2 through 6.8.5 contains a stack-based buffer overflow reachable through a long From parameter passed to Form2Raw.c…EPSS 65%analysed7.5CVE-2000-1020Alt-n mdaemon vulnerabilityHeap overflow in Worldclient in Mdaemon 3.1.1 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary command…EPSS 2.3%7.5CVE-2000-1021Alt-n mdaemon vulnerabilityHeap overflow in WebConfig in Mdaemon 3.1.1 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary commands …EPSS 3.8%

Source: NIST National Vulnerability Database (record CVE-2005-4209), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.