Stored Cross-site Scripting Vulnerability in WinPlus by Informática del Este
CVE-2025-41349

5.1MEDIUM

Key Information:

Vendor

Informática Del Este

Status
Winplus
Vendor
CVE Published:
18 November 2025

What is CVE-2025-41349?

A stored Cross-site Scripting (XSS) vulnerability has been identified in WinPlus v24.11.27 by Informática del Este. This vulnerability arises from inadequate validation of user input, specifically when a POST request containing a malicious payload is sent using the 'descripcion' parameter in the API endpoint '/WinplusPortal/ws/sWinplus.svc/json/savesolpla_post'. If exploited, a remote attacker could craft a query that, when executed by an authenticated user, leads to the theft of their session cookies, thereby compromising user sessions and potentially allowing unauthorized access to the application.

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Affected Version(s)

WinPlus 24.11.27

References

https://www.incibe.es/en/incibe-cert/notices/aviso/stored...

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Antonio Moreno Gómez
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