XSS in Mdaemon Email Server

CVE-2024-11182

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.314 (98.3th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-11182: rose from 0.177 to 0.314.

EPSS over last 30 days · oldest: 0.177 · newest: 0.314 · change: +0.136

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

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.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-11182?
CVE-2024-11182 is a medium-severity vulnerability in Mdaemon Email Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-11-15.
How severe is CVE-2024-11182?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2024-11182 known to be exploited?
Yes. CVE-2024-11182 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-05-19), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.