CVE-2024-11182
KEVMDaemon Email Server Cross-Site Scripting (XSS) Vulnerability
Description
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.
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.
CVSS 4.0 vector
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:XPublishedNov 15, 2024
Last modifiedJun 17, 2026
Added to KEVMay 19, 2025
Remediation dueJun 9, 2025
References
- files.mdaemon.com/mdaemon/beta/RelNotes_en.htmlRelease Notes
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-11182US Government Resource
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60
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 505 days
- CVSS
- 5.3 MEDIUM
- EPSS (30-day exploit probability)
- 33.3% · top 2% of all CVEs
- Weakness
- CWE-79
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.