What is CVE-2025-66397?

CVE-2025-66397 is a high-severity vulnerability in Churchcrm, classified under Improper Access Control. CVSS score: 8.3/10. Published 2025-12-17.

How severe is CVE-2025-66397?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Churchcrm

CVE-2025-66397

ChurchCRM is an open-source church management system. Prior to version 6.5.3, the allowRegistration, acceptKiosk, reloadKiosk, and identifyKiosk functions in the Kiosk Manager feature suffers from broken access control, allowing any authenticated user to allow and accept kiosk registrations, and perform other Kiosk Manager actions such as reload and identify. Version 6.5.3 fixes the issue.

EPSS: 0.003 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H.

Affected products

Churchcrm
Churchcrm Crm — versions < 6.5.3

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2025-66397?: CVE-2025-66397 is a high-severity vulnerability in Churchcrm, classified under Improper Access Control. CVSS score: 8.3/10. Published 2025-12-17.
How severe is CVE-2025-66397?: High severity. CVSS v3 base score is 8.3 out of 10.