CVE-2025-66258 Stored Cross-Site Scripting via XML Injection
Attackers can inject malicious JavaScript via crafted filenames in XML files, leading to stored XSS on FM transmitters.
- Exploited in the wild
- Not known
- 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-2025-66258?
CVE-2025-66258 is a high-severity cross-site scripting vulnerability in DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter, published on 26 Nov 2025. 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
Stored Cross-Site Scripting via XML Injection in DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter versions 30, 50, 100, 300, 500, 1000, 2000, 3000, 3500, 6000, 7000 allows an attacker to perform Stored XSS via crafted filenames injected into patchlist.xml. User-controlled filenames are directly concatenated into `patchlist.xml` without encoding, allowing injection of malicious JavaScript payloads via crafted filenames (e.g., `<img src=x onerror=alert()>.bin`). The XSS executes when ajax.js processes and renders the XML file.
Weakness: CWE-79
Which versions are affected by CVE-2025-66258?
It affects 22 products.
Products include Dbbroadcast Mozart Dds Next 1000 Firmware, Dbbroadcast Mozart Dds Next 100 Firmware, Dbbroadcast Mozart Dds Next 2000 Firmware, Dbbroadcast Mozart Dds Next 3000 Firmware, Dbbroadcast Mozart Dds Next 300 Firmware, Dbbroadcast Mozart Dds Next 30 Firmware and 16 more.
How do I fix CVE-2025-66258?
No fix has been published for CVE-2025-66258 yet. Limit exposure of the affected software until one is available.
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-2025-66258 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-66258 exists.
Other vulnerabilities in DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter
- CVE-2025-66253 Unauthenticated OS Command Injection (start_upgrade.php)
- CVE-2025-66255 Unauthenticated Arbitrary File Upload (upgrade_contents.php)
- CVE-2025-66256 Unauthenticated Arbitrary File Upload (patch_contents.php)
- CVE-2025-66261 Unauthenticated OS Command Injection (restore_settings.php)
- CVE-2025-63228 File upload in n/a
Sources
Also known as GHSA-5p2h-8jcf-24rf.