CVE-2026-19852

Published Aug 24, 2026

Last updated 6 hours ago

CVSS medium 5.1

Overview

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.
Source: twcert@cert.org.tw
NVD status: Received

Risk scores

CVSS 4.0

Type: Secondary
Base score: 5.1
Impact score: -
Exploitability score: -
Vector string: 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity: MEDIUM

CVSS 3.1

Type: Primary
Base score: 6.1
Impact score: 2.7
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: MEDIUM

Weaknesses

twcert@cert.org.tw: CWE-434

Hype score: Not currently trending

References

Sources include official advisories and independent security research.