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.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| MDaemon | Email Server |
|
Timeline
- 15 Nov 2024 Published
- 19 May 2025 CVE-2024-11182 added to CISA KEV
- 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).