XSS in Iest Winplus
CVE-2025-41349
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (24.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Iest Winplus — versions 24.11.27
- Informatica Del Este Winplus — versions 24.11.27
Weakness classification (CWE)
References
- cve-coordination@incibe.es (Third Party Advisory, patch)
Frequently asked questions
- What is CVE-2025-41349?
- CVE-2025-41349 is a medium-severity vulnerability in Iest Winplus, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-18.
- How severe is CVE-2025-41349?
- Medium severity. CVSS v3 base score is 5.4 out of 10.