CVE-2020-18723

Stored cross-site scripting XSS in file attachment field in MDaemon webmail 19.5.5 allows an attacker to execute code on the email recipient side while forwarding an email to perform potentially malicious activities...

CVE-2019-8983

MDaemon Webmail 14.x through 18.x before 18.5.2 has XSS issue 1 of 2...

CVE-2019-8984

MDaemon Webmail 14.x through 18.x before 18.5.2 has XSS issue 2 of 2...

CVE-2018-17792

MDaemon Webmail formerly WorldClient has CSRF...

CVE-2019-19497

MDaemon Email Server 17.5.1 allows XSS via the filename of an attachment to an email message...

CVE-2019-13612

MDaemon Email Server 19 through 20.0.1 skips SpamAssassin checks by default for e-mail messages larger than 2 MB and limits checks to 10 MB even with special configuration, which is arguably inconsistent with currently popular message sizes. This might interfere with risk management for malicious...

CVE-2005-4266

WorldClient.dll in Alt-N MDaemon and WorldClient 8.1.3 trusts a Session parameter that contains a randomly generated session ID that is associated with a username, which allows remote attackers to perform actions as other users by guessing or sniffing the random value...

CVE-2006-5708

Multiple unspecified vulnerabilities in MDaemon and WorldClient in Alt-N Technologies MDaemon before 9.50 allow attackers to cause a denial of service memory consumption via unspecified vectors resulting in memory leaks...

CISA Adds Six Known Exploited Vulnerabilities to Catalog

CISA has added six new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2025-4427link is external Ivanti Endpoint Manager Mobile EPMM Authentication Bypass Vulnerability CVE-2025-4428link is external Ivanti Endpoint Manager Mobile EPMM...

MDaemon Email Server Cross-Site Scripting (XSS) Vulnerability

MDaemon Email Server contains a cross-site scripting XSS vulnerability that allows a remote attacker to load arbitrary JavaScript code via an HTML e-mail message...

Russia-Linked APT28 Exploited MDaemon Zero-Day to Hack Government Webmail Servers

A Russia-linked threat actor has been attributed to a cyber espionage operation targeting webmail servers such as Roundcube, Horde, MDaemon, and Zimbra via cross-site scripting XSS vulnerabilities, including a then-zero-day in MDaemon, according to new findings from ESET. The activity, which...

VulnCheck KEV: CVE-2024-11182

MDaemon Email Server contains a cross-site scripting XSS vulnerability that allows a remote attacker to load arbitrary JavaScript code via an HTML e-mail message...

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...

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...

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...

CVE-2025-3929 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...

CVE-2025-3929

A Stored Cross-Site Scripting (XSS) vulnerability exists in MDaemon Email Server version 25.0.1 and below . The root cause is the improper neutralization of input, allowing an attacker to send a specially crafted HTML email message containing JavaScript in an img tag . This enables a remote attac...

CVE-2025-3929 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...

CVE-2025-3929: Improper Neutralization of Input During Web Page Generation

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...

PT-2025-18143

Name of the Vulnerable Software and Affected Versions MDaemon Email Server versions 25.0.1 and below Description A Stored Cross-Site Scripting XSS issue was discovered, allowing a remote attacker to send a specially crafted HTML e-mail message with JavaScript in an img tag. This could enable the...