CVE-2026-42289 ChurchCRM: Cross-Site Request Forgery (CSRF) Leading to Admin Privilege Escalation
An attacker can trick an administrator into visiting a malicious page to escalate privileges or create admin accounts in ChurchCRM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-42289?
CVE-2026-42289 is a high-severity vulnerability in ChurchCRM CRM, published on 12 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Which versions are affected by CVE-2026-42289?
How do I fix CVE-2026-42289?
No fix has been published for CVE-2026-42289 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-42289 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-42289 exists.