CVE-2025-12868 PUBLISHED

CyberTutor｜New Site Server - Use of Client-Side Authentication

Assigner: twcert
Reserved: 07.11.2025 Published: 10.11.2025 Updated: 10.11.2025

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	CyberTutor
Product	New Site Server
Versions	Default: unaffected Version 0 is affected

Solutions

Contact the vendor for updates.

References

Problem Types

CWE-603 Use of Client-Side Authentication CWE

Impacts

CAPEC-114 Authentication Abuse