CVE-2024-11182

Stored XSS vulnerability in MDaemon Email Server

  • Medium 5.3
  • Exploited: added to CISA KEV 19 May 2025

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.

Key facts

Published
15 Nov 2024
Last changed
21 Oct 2025
Assigned by
ESET
KEV added
19 May 2025
KEV fix due
9 Jun 2025
EPSS
33.494% likely to be exploited in the next 30 days, higher than 98.407% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 5.3CVSS 4.0, Mediumfrom the CNA (ESET)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

What to do

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

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

CAPEC-592 Stored XSS (CNA impact statement)

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
MDaemonEmail Server
  • Default status: unaffected
  • 0 up to and including 24.5.0 (affected)
  • 24.5.1 (unaffected)

Timeline

  1. 15 Nov 2024 Published
  2. 19 May 2025 CVE-2024-11182 added to CISA KEV
  3. 19 May 2025 Added to the CISA KEV catalogue

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on XSS (stored, reflected, DOM) (CWE-79).

References