CVE-2025-41347

Unlimited upload vulnerability for dangerous file types in WinPlus v24.11.27 from Informática del Este. This vulnerability allows an attacker to upload a 'webshell' by sending a POST request to '/WinplusPortal/ws/sWinplus.svc/json/uploadfile'.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - cve-coordination@incibe.es

Published

2025-11-18

Last modified

2026-10-18

Weaknesses

CWE-434

Affected products

• Winplus (Iest)
• Winplus (Informatica Del Este)

References

• https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-winplus-informatica-del-este