Ghostwire

CVE-2026-19852: NewSiteServer (NSS) developed by CyberTutor has an Arbitrary File Upload vulnerability. Unauthenticated remote attackers...

MEDIUM CVSS 6.1 Exploit Available

Published: August 24, 2026 | Last Modified: August 24, 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.

Ghostwire Analysis — What This Means Practically

Medium CVSS score indicates moderate risk — exploitation requires specific conditions or results in limited impact.
Exploit code is reported to be available, increasing the likelihood of active exploitation.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References

www.twcert.org.tw/en/cp-139-11120-64c52-2.html
www.twcert.org.tw/tw/cp-132-11116-2c1d8-1.html
www.tenable.com/cve/CVE-2026-19852
www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2026-19852