Which products and versions are affected by CVE-2024-11182?

Affected: Mdaemon; Email Server. The full list is in the CVE brief.

Is CVE-2024-11182 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 15, 2025.

Is CVE-2024-11182 in the CISA KEV catalog?

Yes. It was added on May 19, 2025 with a federal remediation due date of Jun 9, 2025.

Is there a public exploit for CVE-2024-11182?

Public exploit code is available.

Is there a fix for CVE-2024-11182?

Fixed versions are available, including Mdaemon 24.5.1.

How urgently should CVE-2024-11182 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2024-11182

MediumExploitedPublic exploit

An XSS issue was discovered in

Published Nov 15, 2024 · Updated Oct 30, 2025

Key Facts

Patch immediately

CVE-2024-11182 is a medium-severity vulnerability (CVSS 5.3 v4) affecting Mdaemon, Email Server.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 15, 2025. Public exploit code is available.
EPSS estimates a 31% probability of exploitation in the next 30 days.
Fixed versions are available, including Mdaemon 24.5.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v4

5.3

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (30-day exploit likelihood)

31%

Higher than 98.2% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2024-11182 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	May 19, 2025	Jun 9, 2025	Not reported
Industry KEV feed	May 15, 2025	Jun 9, 2025	Not reported
CIRCL KEV	May 19, 2025	Jun 9, 2025	Not reported
ENISA EUVD	May 19, 2025	n/a	Not reported

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.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
MdaemonMdaemon	See advisory	24.5.1
Email Server	See advisory	n/a

Patched Releases

Mdaemon

24.5.1

Timeline

Publicly disclosed
Nov 15, 2024
Added to Industry KEV feed
May 15, 2025
Added to CISA KEV
May 19, 2025
Added to CIRCL KEV
May 19, 2025
Added to ENISA EUVD
May 19, 2025
Last updated
Oct 30, 2025

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

5 more references in the full CVE brief

FAQ

Common Questions.

An XSS issue was discovered in MDaemon Email Server before version 24.5.1c.
Affected: Mdaemon; Email Server. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 15, 2025.
Yes. It was added on May 19, 2025 with a federal remediation due date of Jun 9, 2025.
Public exploit code is available.
Fixed versions are available, including Mdaemon 24.5.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2024-11182 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.