Home/CVE/New Site Server developed by CyberTutor has a Use of Client-Side Authentication vulnerability, allowing unauthenticated
CVE

CVE-2025-12868

New Site Server developed by CyberTutor has a Use of Client-Side Authentication vulnerability, allowing unauthenticated

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.

CRITICAL · CVSS 9.8 EPSS 0.00278
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-603Use of Client-Side Authentication
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · twcert@cert.org.tw
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Nov 2025 · 04:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.twcert.org.tw/en/cp-139-10492-84a10-2.html
https://www.twcert.org.tw/tw/cp-132-10493-bf807-1.html
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