How severe is CVE-2025-12868?

CVE-2025-12868 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-12868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12868?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-12868 have an EU (EUVD) identifier?

Yes. CVE-2025-12868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-41750.

When was CVE-2025-12868 published?

CVE-2025-12868 was published on 2025-11-10 and last updated on 2026-06-17.

CVE-2025-12868

CVE-2025-12868 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-603.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-41750
Weakness: CWE-603
Published: 2025-11-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-12868?: 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.
How severe is CVE-2025-12868?: CVE-2025-12868 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-12868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12868?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-12868 have an EU (EUVD) identifier?: Yes. CVE-2025-12868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-41750.
When was CVE-2025-12868 published?: CVE-2025-12868 was published on 2025-11-10 and last updated on 2026-06-17.

References

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