CVE-2026-19852

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.

Affected Software

Weaknesses

• CWE-434: CWE-434 Unrestricted Upload of File with Dangerous Type

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.twcert.org.tw/tw/cp-132-11116-2c1d8-1.html
• https://www.twcert.org.tw/en/cp-139-11120-64c52-2.html

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