CVE-2025-66397

Name: CVE-2025-66397
Creator: NVD / NIST
Published: 2025-12-17T20:15:56.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.3/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2025-66397 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. 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. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.3/10

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

EPSS Probability

0.25%

16.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Churchcrm	Churchcrm	< 6.5.3

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-32vr-ch3p-wmr5Exploit, Vendor Advisory

Timeline

Published: Dec 17, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66397?

How severe is CVE-2025-66397?

CVE-2025-66397 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66397?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66397?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST