TI-2018-15357 Aliases CVE-2018-25131 GHSA-x4fw-5929-5227

Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4.30.063 Stored XSS via Config Upload

MEDIUM 56CWE-79Published 2025-12-24 · Updated 2025-12-24

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00283 20th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Leica Geosystems AG	GR10/GR25/GR30/GR50 GNSS	4.30.063; 4.20.232; 4.11.606; 3.22.1818; 3.10.1633; 2.62.782; 1.00.395	—	No fix listed	CNA

GR10/GR25/GR30/GR50 GNSS VendorLeica Geosystems AG Affected 4.30.063; 4.20.232; 4.11.606; 3.22.1818; 3.10.1633; 2.62.782; 1.00.395 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-25131
2026-10-03 Alias added: GHSA-x4fw-5929-5227

References

TI-2019-15313 Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4.30.063 Cross-Site Request Forgery CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences