---
id: "CVE-2024-11182"
kind: "vulnerability"
aliases: ["CVE-2024-11182"]
title: "An XSS issue was discovered in MDaemon Email Server before version 24.5.1c"
severity: "high"
cvss: 6.1
epss: null
exploited: true
status: "open"
category: "other"
products: [{"name": "MDaemon Email Server", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "mdaemon", "fixed": ["24.5.1"], "affected": "< 24.5.1", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["email-server", "exploited", "mdaemon", "other", "self-hosted"]
not_affected_if: ["unknown"]
published_at: "2024-11-15T11:15:10+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:05+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-11182", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-11182", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# An XSS issue was discovered in MDaemon Email Server before version 24.5.1c

MDaemon Email Server has a cross-site scripting flaw triggered by an HTML email message. A remote attacker can make the webmail or admin interface run arbitrary JavaScript in a victim's session.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:MDaemon Email Server affected ? fixed ?
- vendor:mdaemon affected < 24.5.1 fixed 24.5.1

## Fix

Apply the vendor mitigations referenced by CISA; the sources do not name a fixed version. If mitigations are unavailable, CISA advises discontinuing use of the product.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-11182
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2024-11182

## From the sources

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.

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

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_