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6 vulnerabilities by CyberTutor
CVE-2026-19853 (GCVE-0-2026-19853)
Vulnerability from nvd – Published: 2026-08-24 03:30 – Updated: 2026-08-24 12:51
VLAI
EPSS
VEX
Title
CyberTutor｜NewSiteServer (NSS) - Missing Authentication
Summary
NewSiteServer (NSS) developed by CyberTutor has a Missing Authentication vulnerability. Unauthenticated remote attackers can exploit a specific functionality to send emails to anyone on behalf of the school.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 12:32 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-11117-4f503-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-11121-51e56-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberTutor | NewSiteServer (NSS) |
Affected:
all
(custom)
|
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CVE-2026-19852 (GCVE-0-2026-19852)
Vulnerability from nvd – Published: 2026-08-24 03:35 – Updated: 2026-08-24 03:35
VLAI
EPSS
VEX
Title
CyberTutor｜NewSiteServer (NSS) - Arbitrary File Upload
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.
Severity
6.1 (Medium)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-11116-2c1d8-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-11120-64c52-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberTutor | NewSiteServer (NSS) |
Affected:
all
(custom)
|
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CVE-2025-12868 (GCVE-0-2025-12868)
Vulnerability from nvd – Published: 2025-11-10 03:14 – Updated: 2025-11-10 21:42
VLAI
EPSS
VEX
Title
CyberTutor｜New Site Server - Use of Client-Side Authentication
Summary
New Site Server developed by CyberTutor has a Use of Client-Side Authentication vulnerability, allowing unauthenticated remote attackers to modify the frontend code to gain administrator privileges on the website.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-10 21:42 UTC
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10493-bf807-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10492-84a10-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberTutor | New Site Server |
Affected:
0
|
Date Public
2025-11-10 03:10
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CVE-2026-19852 (GCVE-0-2026-19852)
Vulnerability from cvelistv5 – Published: 2026-08-24 03:35 – Updated: 2026-08-24 03:35
VLAI
EPSS
VEX
Title
CyberTutor｜NewSiteServer (NSS) - Arbitrary File Upload
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.
Severity
6.1 (Medium)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-11116-2c1d8-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-11120-64c52-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberTutor | NewSiteServer (NSS) |
Affected:
all
(custom)
|
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CVE-2026-19853 (GCVE-0-2026-19853)
Vulnerability from cvelistv5 – Published: 2026-08-24 03:30 – Updated: 2026-08-24 12:51
VLAI
EPSS
VEX
Title
CyberTutor｜NewSiteServer (NSS) - Missing Authentication
Summary
NewSiteServer (NSS) developed by CyberTutor has a Missing Authentication vulnerability. Unauthenticated remote attackers can exploit a specific functionality to send emails to anyone on behalf of the school.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 12:32 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-11117-4f503-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-11121-51e56-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberTutor | NewSiteServer (NSS) |
Affected:
all
(custom)
|
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CVE-2025-12868 (GCVE-0-2025-12868)
Vulnerability from cvelistv5 – Published: 2025-11-10 03:14 – Updated: 2025-11-10 21:42
VLAI
EPSS
VEX
Title
CyberTutor｜New Site Server - Use of Client-Side Authentication
Summary
New Site Server developed by CyberTutor has a Use of Client-Side Authentication vulnerability, allowing unauthenticated remote attackers to modify the frontend code to gain administrator privileges on the website.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-10 21:42 UTC
CWE
- CWE-603 - Use of Client-Side Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10493-bf807-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10492-84a10-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CyberTutor | New Site Server |
Affected:
0
|
Date Public
2025-11-10 03:10
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