How to fix CVE-2025-41349?

Within 30 days: Identify affected systems running WinPlus and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Winplus affected by CVE-2025-41349?

Organizations using WinPlus should be aware of moderate risk from CVE-2025-41349, a cross-site scripting vulnerability rated CVSS 5.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

CVE-2025-41349

MEDIUM

2025-11-18 [email protected]

5.1

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

CVE Published

Nov 18, 2025 - 12:15 nvd

MEDIUM 5.1

Description

Stored Cross-site Scripting (XSS)vylnerability type in WinPlus v24.11.27 byInformática del Este that consist of an stored XSS of a stored XSS due to a lack of proper validation of user input by sending a POST request using the 'descripcion' parameter in '/WinplusPortal/ws/sWinplus. svc/json/savesolpla_post'. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and steal their cookie session details.

Analysis

Stored Cross-site Scripting (XSS)vylnerability type in WinPlus v24.11.27 byInformática del Este that consist of an stored XSS of a stored XSS due to a lack of proper validation of user input by. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Stored Cross-site Scripting (XSS)vylnerability type in WinPlus v24.11.27 byInformática del Este that consist of an stored XSS of a stored XSS due to a lack of proper validation of user input by sending a POST request using the 'descripcion' parameter in '/WinplusPortal/ws/sWinplus. svc/json/savesolpla_post'. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and steal their cookie session details. Affected products include: Iest Winplus.

Affected Products

Iest Winplus.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +26

POC: 0

CVE-2025-41349 vulnerability details – vuln.today

Back

CVE-2025-41349

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

CVE-2025-41349

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code