{"id":"CVE-2026-19852","title":"NewSiteServer (NSS) developed by CyberTutor has an Arbitrary File Upload vulnerability","summary":"NewSiteServer (NSS) developed by CyberTutor has an Arbitrary File Upload vulnerability. Unauthenticated remote attackers can upload arbitrary files, including malicious HTML files, thereby achieving effects similar to cross-site scripting.","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-434"],"published":"2026-08-24","updated":"2026-10-12","sourceUpdated":"2026-10-12T16:10:00.220","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-19852","references":[{"url":"https://www.twcert.org.tw/en/cp-139-11120-64c52-2.html","label":"twcert@cert.org.tw"},{"url":"https://www.twcert.org.tw/tw/cp-132-11116-2c1d8-1.html","label":"twcert@cert.org.tw"}],"tags":["nvd"],"epss":0.00234,"epssPercentile":0.13211,"ingestedAt":"2026-10-12T16:57:59.902Z","slug":"CVE-2026-19852","body":"## Overview\n\nNewSiteServer (NSS) developed by CyberTutor has an Arbitrary File Upload vulnerability. Unauthenticated remote attackers can upload arbitrary files, including malicious HTML files, thereby achieving effects similar to cross-site scripting.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}