What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2025-05-19
• EPSS: 33.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-15 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Mdaemon: before 24.5.1 — fixed in 24.5.1

How to fix

Upgrade to a fixed version: Mdaemon 24.5.1. Check the vendor advisory for mitigations.

References

• https://files.mdaemon.com/mdaemon/beta/RelNotes_en.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-11182

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