{"id":"CVE-2025-41347","aliases":["EUVD-2025-197979","GHSA-4xw5-95w2-c94q"],"status":"published","title":"Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este","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'.","severity":{"version":"4.0","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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00368,"percentile":0.30866,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2025-11-18T11:06:39Z","modified":"2026-10-18T20:10:00Z","products":[{"vendor":"iest","product":"winplus"},{"vendor":"informatica del este","product":"winplus"},{"vendor":"informática del este","product":"winplus"}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-winplus-informatica-del-este","tags":["patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41347"},{"url":"https://github.com/advisories/GHSA-4xw5-95w2-c94q"}],"sources":{"cve":[{"id":"CVE-2025-41347","title":"Stored Cross-Site Scripting (XSS) in WinPlus by Informática del Este","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'.","status":"published","published":"2025-11-18T11:06:39.222Z","modified":"2026-02-18T12:16:04.094Z","cvss":[{"version":"4.0","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","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:32:31.631102Z"}],"euvd":[{"id":"EUVD-2025-197979","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'.","status":"published","published":"2025-11-18T11:06:39Z","modified":"2026-02-18T12:16:04Z","cvss":[{"version":"4.0","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","level":"high"}],"updated_at":"2026-11-02T19:48:37.43406Z"}],"ghsa":[{"id":"GHSA-4xw5-95w2-c94q","title":"Unlimited upload vulnerability for dangerous file types in WinPlus v24.11.27 from Informática del...","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'.","status":"published","published":"2025-11-18T12:30:18Z","modified":"2025-11-19T21:32:21Z","cvss":[{"version":"4.0","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/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","level":"high"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:04:53.631555Z"}],"nvd":[{"id":"CVE-2025-41347","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'.","status":"published","published":"2025-11-18T11:15:46.46Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"4.0","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/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","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:11:44.669367Z"}]}}