CVE-2025-3929
Last modified
CVE-2025-3929 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An XSS issue was discovered in MDaemon Email Server version 25.0.1 and below. An attacker can send a specially crafted HTML e-mail message with JavaScript in an img tag. EPSS estimates a 0.47% chance of exploitation in the next 30 days.
Description
An XSS issue was discovered in MDaemon Email Server version 25.0.1 and below. An attacker can send a specially crafted 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, and access user data.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mdaemon | Email Server | >= 20.0.0, < 20.0.9 |
| Mdaemon | Email Server | >= 21.0.0, < 21.0.8 |
| Mdaemon | Email Server | >= 21.5.0, < 21.5.6 |
| Mdaemon | Email Server | >= 22.0.0, < 22.0.7 |
| Mdaemon | Email Server | >= 23.0.0, < 23.0.4 |
| Mdaemon | Email Server | >= 23.5.0, < 23.5.5 |
| Mdaemon | Email Server | >= 24.0.0, < 24.0.4 |
| Mdaemon | Email Server | >= 24.5.0, < 24.5.3 |
| Mdaemon | Email Server | >= 25.0.0, < 25.0.2 |
References
- https://mdaemon.com/pages/downloads-critical-updatesRelease Notes
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-3929?
How severe is CVE-2025-3929?
How do I fix CVE-2025-3929?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-39245There is a CSV Injection Vulnerability in some HikCentral Ma…4.7
- CVE-2025-39246There is an Unquoted Service Path Vulnerability in some HikC…5.3
- CVE-2025-39247There is an Access Control Vulnerability in some HikCentral …8.6
- CVE-2025-3925BrightSign players running BrightSign OS series 4 prior to v…8.5
- CVE-2025-3927Digigram's PYKO-OUT audio-over-IP (AoIP) web-server does not…9.8
- CVE-2025-3928Commvault Web Server has an unspecified vulnerability that c…8.8
- CVE-2025-3930Strapi uses JSON Web Tokens (JWT) for authentication. After …6.3
- CVE-2025-3931A flaw was found in Yggdrasil, which acts as a system broker…7.8
- CVE-2025-3932It was possible to craft an email that showed a tracking lin…6.5
- CVE-2025-3933A Regular Expression Denial of Service (ReDoS) vulnerability…5.3
- CVE-2025-39348Deserialization of Untrusted Data vulnerability in ThemeGood…9.8
- CVE-2025-39349Deserialization of Untrusted Data vulnerability in Potenzagl…9.8
Are you affected by CVE-2025-3929?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST