TI-2025-27537 Aliases CVE-2025-41349 GHSA-jmmc-fjvq-35v4

Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este

LOW 23CWE-79Published 2025-11-18 · Updated 2026-02-18

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting
Confidentiality · integrity · availability: None · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00371 31st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Informatica del Este	WinPlus	24.11.27	—	No fix listed	CNA

WinPlus VendorInformatica del Este Affected 24.11.27 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:iest:winplus:24.11.27::::-:::	24.11.27	Vulnerable	Informatica del Este

cpe:2.3:a:iest:winplus:24.11.27:*:*:*:-:*:*:* Versions 24.11.27 Vulnerable ·Informatica del Este

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-41349
2026-10-03 Alias added: GHSA-jmmc-fjvq-35v4

References

Patch 1

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

TI-2025-27536 Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este CVSS 4.0HIGH 8.7
TI-2025-27535 Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este CVSS 4.0HIGH 8.7
TI-2025-27534 Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este CVSS 4.0CRITICAL 9.3
TI-2025-27538 Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences