CVE-2026-19852
CyberTutor｜NewSiteServer (NSS) - Arbitrary File Upload
- State
- Published
- Severity
- 5.1 Medium
- Published
- Aug 24, 2026
- Updated
- Aug 24, 2026
- Reserved
- Aug 14, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N | twcert |
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | twcert |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
NewSiteServer (NSS)CyberTutor |
|
References
- https://www.twcert.org.tw/tw/cp-132-11116-2c1d8-1.htmlthird-party-advisory
- https://www.twcert.org.tw/en/cp-139-11120-64c52-2.htmlthird-party-advisory
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