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Medium 6.1Published Aug 24, 2026
CVE-2026-19852CyberTutor｜NewSiteServer (NSS) - Arbitrary File Upload
Updated under an hour ago ()
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It affects CyberTutor NewSiteServer (NSS). Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-434
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- twcert
- NVD analysis
- Deferred
- Record last updated
- Aug 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
CyberTutor NewSiteServer (NSS) cybertutor:newsiteserver_nss (from the name) | all versions | CNA record |
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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.