CVE-2026-19852
CyberTutor｜NewSiteServer (NSS) - Arbitrary File Upload
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-434 |
| Vendor | cybertutor |
| Product | newsiteserver (nss) |
| Published | Aug 24, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
CyberTutor / NewSiteServer (NSS)
all