Reflected XSS Vulnerability in ChurchCRM Open-Source Church Management System
CVE-2026-39333

8.7HIGH

Key Information:

Vendor

Churchcrm

Status
Crm
Vendor
CVE Published:
7 April 2026

What is CVE-2026-39333?

ChurchCRM, an open-source church management system, contains a reflected XSS vulnerability in the FindFundRaiser.php endpoint. This flaw allows an authenticated attacker to manipulate input parameters, specifically DateStart and DateEnd, which are then reflected in HTML input fields without adequate encoding. This oversight could enable the execution of arbitrary JavaScript when other authenticated users access the crafted URL, potentially leading to serious security risks. The issue has been addressed and resolved in version 7.1.0.

Affected Version(s)

CRM < 7.1.0

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.