{"id":"CVE-2026-39991","revision":"12696e82c87f457cac5dc97424379561","records":[{"revision":"12696e82c87f457cac5dc97424379561","observedAt":"2026-10-29T08:47:47.748+00:00","statement":{"source":"cve-program","id":"CVE-2026-39991","aliases":[],"title":"Stored Cross-Site Scripting (XSS) in Note Station file upload functionality","description":"A cross-site scripting (XSS) vulnerability has been reported to affect Notes Station 3. If a remote attacker gains a user account, they can then exploit the vulnerability to inject malicious code.\n\nWe have already fixed the vulnerability in the following version:\nNotes Station 3 3.9.12 and later","state":0,"publishedAt":"2026-10-15T09:37:51.83+00:00","modifiedAt":"2026-10-29T07:41:10.166+00:00","affected":[{"ecosystem":"Vendor product","name":"Notes Station 3","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"QNAP Systems Inc.\",\n                    \"product\": \"Notes Station 3\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"3.9.x\",\n                            \"lessThan\": \"3.9.12\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":4.8,"severity":"MEDIUM"}],"references":["https://www.qnap.com/en/app-release-notes?keyword=Notes%20Station%203&app=NotesStation3&product-line=nas"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-39991","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-39991","identifiers":["CVE-2026-39991"]},"retained":false,"historicalAffected":[]}],"coverage":[]}