ACTIVELY EXPLOITED

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

Facts
VendorMDaemon
ProductEmail Server
Actively exploitedYes
Added to CISA KEV19 May 2025
CISA federal deadline9 Jun 2025
Weakness (CWE)CWE-79

Required action (CISA's text)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description (NVD)

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.

SOURCES

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.