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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.

PUBLISHED Reserved 2025-09-23 | Published 2026-02-16 | Updated 2026-02-17 | Assigner INCIBE




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unaffected

All versions
affected

Credits

Miguel Jiménez Cámara finder

References

www.incibe.es/...ces/aviso/multiple-vulnerabilities-kubysoft

cve.org (CVE-2025-59903)

nvd.nist.gov (CVE-2025-59903)

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