Stored Cross-Site Scripting Vulnerability in DB Electronica Telecomunicazioni Mozart FM Transmitter
CVE-2025-66258

7.1HIGH

Key Information:

Vendor

Db Electronica Telecomunicazioni S.p.a.

Status
Mozart Fm Transmitter
Vendor
CVE Published:
26 November 2025

Badges

👾 Exploit Exists

What is CVE-2025-66258?

A stored cross-site scripting vulnerability exists in the Mozart FM Transmitter by DB Electronica Telecomunicazioni. This vulnerability allows attackers to inject malicious JavaScript payloads into the patchlist.xml file. The issue arises from user-controlled filenames being concatenated directly into the XML file without proper encoding. When the ajax.js script processes this XML, it renders the file and executes any injected scripts, potentially compromising user security. Attackers can exploit this by uploading crafted filenames, which can lead to unauthorized actions performed in the context of a victim's browser.

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Affected Version(s)

Mozart FM Transmitter 30

Mozart FM Transmitter 50

Mozart FM Transmitter 100

References

https://www.abdulmhsblog.com/posts/webfmvulns/
exploittechnical-description

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abdul Mhanni
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