CVE-2025-41347 json
Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este
published 2025-11-18 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-197979
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
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'.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 11 mo ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 4.0 | 8.7 | 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/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 |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Informatica del Este WinPlus
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
incibe.es
/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-winplus-informatica-del-este
patch, third-party-advisory
Sources
- CVE List CVE-2025-41347
- NVD CVE-2025-41347
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