CVE-2026-42289 HIGH

CVE-2026-42289: ChurchCRM: Cross-Site Request Forgery (CSRF) Leading to Admin Privilege Escalation

Vendor Churchcrm
Product CRM
Weakness CWE-269
Published May 12, 2026
Last update May 14, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

ChurchCRM is an open-source church management system. Prior to 7.3.2, UserEditor.php processes user account creation and permission updates entirely through $_POST parameters with no CSRF token validation. An unauthenticated attacker can craft a malicious HTML page that, when visited by an authenticated administrator, silently elevates any low-privilege user to full administrator or creates a new admin backdoor account without the victim's knowledge This vulnerability is fixed in 7.3.2.

Key dates

02Disclosure timeline

May 12, 2026 CVE published
May 14, 2026 Record updated