How severe is CVE-2025-12866?

CVE-2025-12866 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-2025-12866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12866?

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-2025-12866 have an EU (EUVD) identifier?

Yes. CVE-2025-12866 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38730.

When was CVE-2025-12866 published?

CVE-2025-12866 was published on 2025-11-10 and last updated on 2026-06-17.

CVE-2025-12866

CVE-2025-12866 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-640.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-38730
Weakness: CWE-640
Published: 2025-11-10
Last modified: 2026-06-17

Description

EIP Plus developed by Hundred Plus has a Weak Password Recovery Mechanism vulnerability, allowing unauthenticated remote attacker to predict or brute-force the 'forgot password' link, thereby successfully resetting any user's password.

Frequently asked questions

What is CVE-2025-12866?: EIP Plus developed by Hundred Plus has a Weak Password Recovery Mechanism vulnerability, allowing unauthenticated remote attacker to predict or brute-force the 'forgot password' link, thereby successfully resetting any user's password.
How severe is CVE-2025-12866?: CVE-2025-12866 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-2025-12866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12866?: 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-2025-12866 have an EU (EUVD) identifier?: Yes. CVE-2025-12866 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38730.
When was CVE-2025-12866 published?: CVE-2025-12866 was published on 2025-11-10 and last updated on 2026-06-17.

References

Other CWE-640 vulnerabilities

CVE-2025-63314 — Critical (CVSS 10.0): A static password reset token in the password reset function of DDSN Interactive Acora CMS v10.7.1 allows attackers to…
CVE-2023-7028 — Critical (CVSS 10.0): An issue has been discovered in GitLab CE/EE affecting all versions from 16.1 prior to 16.1.6, 16.2 prior to 16.2.9,…
CVE-2026-13019 — Critical (CVSS 9.8): Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missing authentication for…
CVE-2026-37106 — Critical (CVSS 9.8): An issue in DokuWiki 2025-05-14b "Librarian" 56.2 allows a remote attacker to create an account via the register…
CVE-2026-12417 — Critical (CVSS 9.8): The SignUp & SignIn plugin for WordPress is vulnerable to Authentication Bypass via Weak Password Reset Validation…
CVE-2026-12416 — Critical (CVSS 9.8): The Invoice Generator plugin for WordPress is vulnerable to Account Takeover via Password Reset in all versions up to,…

Browse all CWE-640 vulnerabilities →