CVE-2025-12868

CRITICALNVD 9.89.8—

9.8

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 v3: 9.8
EG Score: 9.8(medium)
EPSS: 51.4%
KEV: Not listed

Published

November 10, 2025

Last Modified

April 15, 2026

Advisory Details (2)

Auto-updated May 20, 2026

No patch confirmed yet. Sources: cert.

cert

網韻資訊｜New Site Server - Use of Client-Side Authentication-TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報

https://www.twcert.org.tw/tw/cp-132-10493-bf807-1.html

cert

CyberTutor｜New Site Server - Use of Client-Side Authentication-TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center

https://www.twcert.org.tw/en/cp-139-10492-84a10-2.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-603

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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Frequently asked(5)

What is CVE-2025-12868?

CVE-2025-12868 is a critical vulnerability published on November 10, 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.

When was CVE-2025-12868 disclosed?

CVE-2025-12868 was first published in the National Vulnerability Database on November 10, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-12868 actively exploited?

CVE-2025-12868 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-12868?

CVE-2025-12868 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-12868?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-12868, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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