CVE-2025-66313 ChurchCRM vulnerable to a time-based blind SQL injection via the 1FieldSec parameter

Medium 5.1 Published Updated

Attackers can exfiltrate and modify data via time-based blind SQL injection in the 1FieldSec parameter of ChurchCRM.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-66313?

CVE-2025-66313 is a medium-severity SQL injection vulnerability in Churchcrm Churchcrm, published on 1 Dec 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

ChurchCRM is an open-source church management system. In ChurchCRM 6.2.0 and earlier, there is a time-based blind SQL injection in the handling of the 1FieldSec parameter. Injecting SLEEP() causes deterministic server-side delays, proving the value is incorporated into a SQL query without proper parameterization. The issue allows data exfiltration and modification via blind techniques.

Weakness: CWE-89

Which versions are affected by CVE-2025-66313?

It affects 1 product.

Products include Churchcrm Churchcrm.

How do I fix CVE-2025-66313?

No fix has been published for CVE-2025-66313 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2025-66313 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-66313 exists.

All Churchcrm Churchcrm vulnerabilities

Sources

Also known as GHSA-47q3-c874-mqvp.

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