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[ CVE-2024-11182 · Published 15 Nov 2024 ]

MDaemon Email Server Cross-Site Scripting (XSS) Vulnerability

Exploited · CISA KEV CVSS 6.1 EPSS 31%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2025-05-19
  • EPSS: 31% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

An XSS issue was discovered in MDaemon Email Server before version 24.5.1c. An attacker can send an 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.

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 9 Jun 2025): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References