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Status published
High
CVE-2025-41347
Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este
Vulnerability Description
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'.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Daniel Cano Merchán
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Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este
Medium
5.1
CVE-2025-41349
Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este
Medium
5.1
CVE-2025-41348
Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este
High
8.7
CVE-2025-41346
Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este
Critical
9.3
Affected Vendor
Informatica del Este
View all reports →Affected Software
WinPlus
Vulnerable Versions:
24.11.27
Timeline
Official Publish:
November 18th, 2025
Last Modified:
February 18th, 2026
Added to House:
July 22nd, 2026