ChurchCRM up to 7.3.1 HTML Page UserEditor.php privileges management

Summaryinfo

A vulnerability was found in ChurchCRM up to 7.3.1. It has been classified as critical. Impacted is an unknown function of the file UserEditor.php of the component HTML Page. This manipulation causes privileges management. This vulnerability is registered as CVE-2026-42289. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in ChurchCRM up to 7.3.1. It has been declared as critical. Affected by this vulnerability is an unknown code block of the file UserEditor.php of the component HTML Page. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-42289 since 04/26/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

By approaching the search of inurl:UserEditor.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 7.3.2 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• ChurchCRM

Version

• 7.3.0
• 7.3.1

License

• open-source

CPE 2.3info

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CPE 2.2info

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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