CVE-2026-42289

HIGH

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

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.0013
EPSS Percentile 2.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-269 CWE-306 CWE-352
Status published
Products (1)
ChurchCRM/CRM < 7.3.2
Published May 12, 2026
Tracked Since May 13, 2026