CVE-2024-11182 MDaemon Email Server Cross-Site Scripting (XSS)
Remote attackers can inject arbitrary JavaScript into webmail sessions via crafted HTML emails, potentially compromising user accounts.
- Exploited in the wild
- Since 19 May 2025
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-11182?
CVE-2024-11182 is a medium-severity cross-site scripting vulnerability in MDaemon Email Server, published on 15 Nov 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2024-11182?
It affects 1 product.
Products include Mdaemon Mdaemon.
How do I fix CVE-2024-11182?
No fix has been published for CVE-2024-11182 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 9 Jun 2025.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2024-11182 being exploited?
Yes. Attackers have exploited CVE-2024-11182 in the wild since at least 19 May 2025.
Other vulnerabilities in MDaemon Email Server
Sources
Also known as GHSA-q3fg-4x56-mx94.