Vulnerability · Published Nov 10, 2025 · Assigned by twcert
CVE-2025-12868CyberTutor｜New Site Server - Use of Client-Side Authentication
Critical 9.8
In plain English
A critical-severity security flaw in New Site Server from CyberTutor. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 53.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CyberTutor | New Site Server | 0 |
Weakness: CWE-603 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- 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