Vulnerability · Published May 12, 2026 · Assigned by GitHub_M
CVE-2026-42289ChurchCRM: Cross-Site Request Forgery (CSRF) Leading to Admin Privilege Escalation
High 8.8
In plain English
A high-severity privilege mismanagement in CRM from ChurchCRM. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
Weakness: CWE-269, CWE-306, CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://github.com/ChurchCRM/CRM/security/advisories/GHSA-3xq9-c86x-cwpp x_refsource_CONFIRM