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'.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00063.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Informática del Este WinPlus unaffected
Version Status Constraints
24.11.27 affected —

Configuration 1 [-]

cpe:2.3:a:iest:winplus:24.11.27:*:*:*:-:*:*:*

No data.

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Advisories

No advisories yet.

Fixes

Solution

There is no solution reported at this time.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-winplus-informatica-del-este cve-icon cve-icon
History

Wed, 19 Nov 2025 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Iest
Iest winplus
CPEs cpe:2.3:a:iest:winplus:24.11.27:*:*:*:-:*:*:*
Vendors & Products Iest
Iest winplus
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Wed, 19 Nov 2025 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Informatica Del Este
Informatica Del Este winplus
Vendors & Products Informatica Del Este
Informatica Del Este winplus

Tue, 18 Nov 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 18 Nov 2025 11:15:00 +0000

Type Values Removed Values Added
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'.
Title Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este
Weaknesses CWE-434
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: INCIBE

Published:

Updated: 2025-11-18T20:39:39.303Z

Reserved: 2025-04-16T09:57:03.670Z

Link: CVE-2025-41347

cve-icon Vulnrichment

Updated: 2025-11-18T20:39:34.512Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-18T11:15:46.460

Modified: 2025-11-19T19:14:40.087

Link: CVE-2025-41347

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-19T10:48:06Z

Weaknesses