#VU109214 Stored cross-site scripting in MDaemon - CVE-2024-11182

Vulnerability identifier: #VU109214

Vulnerability risk: High

CVSSv4.0: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:A/U:Amber]

CVE-ID: CVE-2024-11182

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MDaemon
Server applications / Mail servers

Vendor: Alt-N

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when handling IMG tags in email messages. A remote attacker can send a specially crafted email message to the victim and execute arbitrary JavaScript code in the context of a webmail user's browser window.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MDaemon: 24.5.0, 24.5.1

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External links
https://files.mdaemon.com/mdaemon/beta/RelNotes_en.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.