MDaemon Email Server Cross-Site Scripting (XSS) Vulnerability
MDaemon — Email Server
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.
5.3
17.1%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- None
- User interaction
- Passive
- Confidentiality (Vulnerable System)
- Low
- Integrity (Vulnerable System)
- Low
- Availability (Vulnerable System)
- None
- Confidentiality (Subsequent System)
- Low
- Integrity (Subsequent System)
- Low
- Availability (Subsequent System)
- None
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
- Published
- Nov 15, 2024
- Modified
- Oct 21, 2025
- Added to KEV
- May 19, 2025
- Federal patch due
- Jun 9, 2025
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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2024-11182, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2024-11182 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is 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.
How severe is CVE-2024-11182?
CVE-2024-11182 has a CVSS base score of 5.3 out of 10 (CVSS 4.0).
Is CVE-2024-11182 actively exploited in the wild?
Yes. CVE-2024-11182 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 19, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2024-11182?
17.1% - meaning FIRST.org's EPSS model estimates a 17.1% probability this vulnerability will be exploited in the wild within 30 days (97% percentile among all scored CVEs).
What type of vulnerability is CVE-2024-11182?
CVE-2024-11182 is classified under CWE-79 (CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')).
Cross-checked against
Impactr finds and proves whether CVE-2024-11182 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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