CVE-2025-59903

MediumCVSS 5.4/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
Kubysoft	Kubysoft	All versions

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-kubysoftThird Party Advisory

Timeline

Published: Feb 16, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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