CVE-2018-25131 Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4.30.063 Stored XSS via Config Upload
Attackers can upload malicious HTML files to Leica GNSS devices, executing arbitrary JavaScript in users' browsers via stored XSS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-25131?
CVE-2018-25131 is a medium-severity cross-site scripting vulnerability in Leica Geosystems AG GR10/GR25/GR30/GR50 GNSS, published on 24 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4.30.063 contains a stored cross-site scripting vulnerability in the configuration file upload functionality. Attackers can upload a malicious HTML file to that executes arbitrary JavaScript in a user's browser session when viewed.
Weakness: CWE-79
Which versions are affected by CVE-2018-25131?
How do I fix CVE-2018-25131?
No fix has been published for CVE-2018-25131 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-2018-25131 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25131 exists.
Sources
Also known as GHSA-x4fw-5929-5227.