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Medium · 5.1 CVE-2025-59903 EUVD-2025-206983GHSA-fvcr-8w5m-c388

Stored Cross-Site Scripting (XSS) in Kubysoft

Published Feb 16, 2026 · Updated Feb 17, 2026 · Assigned by INCIBE

Description

Stored Cross-Site Scripting (XSS) vulnerability in Kubysoft, where uploaded SVG images are not properly sanitized. This allows attackers to embed malicious scripts within SVG files as visual content, which are then stored on the server and executed in the context of any user accessing the compromised resource.

Affected products

VendorProductAffectedFixed
Kubysoft Kubysoft All versions —

References