{"id":"CVE-2026-47790","state":"PUBLISHED","title":"Privilege Escalation via QuFTP Log-based XSS","description":"A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. 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:\nQuFTP Service 1.4.6 and later\nQuFTP Service 1.5.5 and later\nQuFTP Service 1.6.5 and later","publishedAt":"2026-10-15T09:38:20.936Z","updatedAt":"2026-10-19T08:06:24.726Z","severity":{"score":6.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H","source":"qnap"},"assigner":"qnap","products":["QNAP Systems Inc. QuFTP Service"],"affected":[{"vendor":"QNAP Systems Inc.","product":"QuFTP Service","defaultStatus":"unaffected","versions":[{"version":"1.4.x","status":"affected","lessThan":"1.4.6","versionType":"custom"},{"version":"1.5.x","status":"affected","lessThan":"1.5.5","versionType":"custom"},{"version":"1.6.x","status":"affected","lessThan":"1.6.5","versionType":"custom"}]}],"references":["https://www.qnap.com/en/app-release-notes?keyword=QuFTP%20Service&app=QuFTP&product-line=nas"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47790.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47790","state":"PUBLISHED","datePublished":"2026-10-15T09:38:20.936Z","dateUpdated":"2026-10-19T08:06:24.726Z","assignerShortName":"qnap","assignerOrgId":"2fd009eb-170a-4625-932b-17a53af1051f","dateReserved":"2026-05-20T07:19:15.800Z"},"containers":{"cna":{"title":"Privilege Escalation via QuFTP Log-based XSS","descriptions":[{"lang":"en","value":"A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. 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:\nQuFTP Service 1.4.6 and later\nQuFTP Service 1.5.5 and later\nQuFTP Service 1.6.5 and later"}],"affected":[{"vendor":"QNAP Systems Inc.","product":"QuFTP Service","defaultStatus":"unaffected","versions":[{"version":"1.4.x","status":"affected","lessThan":"1.4.6","versionType":"custom"},{"version":"1.5.x","status":"affected","lessThan":"1.5.5","versionType":"custom"},{"version":"1.6.x","status":"affected","lessThan":"1.6.5","versionType":"custom"}]}],"references":[{"url":"https://www.qnap.com/en/app-release-notes?keyword=QuFTP%20Service&app=QuFTP&product-line=nas","tags":["release-notes"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"ACTIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"HIGH","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79","type":"CWE"}]}],"providerMetadata":{"shortName":"qnap","orgId":"2fd009eb-170a-4625-932b-17a53af1051f","dateUpdated":"2026-10-19T08:06:24.726Z"},"impacts":[{"capecId":"CAPEC-592","descriptions":[{"lang":"en","value":"CAPEC-592"}]}],"solutions":[{"lang":"en","value":"We have already fixed the vulnerability in the following version:\nQuFTP Service 1.4.6 and later\nQuFTP Service 1.5.5 and later\nQuFTP Service 1.6.5 and later","supportingMedia":[{"type":"text/html","base64":false,"value":"We have already fixed the vulnerability in the following version:<br>QuFTP Service 1.4.6 and later<br>QuFTP Service 1.5.5 and later<br>QuFTP Service 1.6.5 and later"}]}],"credits":[{"lang":"en","value":"HAK-MZ team","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"QNAP PSIRT cve_tool 0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T13:21:42.197600Z","id":"CVE-2026-47790","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-15T13:21:51.855Z"}}]}}}