CVE-2026-39333 ChurchCRM has Reflected XSS in DateStart/DateEnd parameters in FindFundRaiser.php

What is CVE-2026-39333?

CVE-2026-39333 is a high-severity cross-site scripting vulnerability in Churchcrm Churchcrm, published on 7 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

ChurchCRM is an open-source church management system. Prior to 7.1.0, he FindFundRaiser.php endpoint reflects user-supplied input (DateStart and DateEnd) into HTML input field attributes without proper output encoding for the HTML attribute context. An authenticated attacker can craft a malicious URL that executes arbitrary JavaScript when visited by another authenticated user. This constitutes a reflected XSS vulnerability. This vulnerability is fixed in 7.1.0.

Weakness: CWE-79

Which versions are affected by CVE-2026-39333?

It affects 1 product.

Products include Churchcrm Churchcrm.

How do I fix CVE-2026-39333?

No fix has been published for CVE-2026-39333 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-39333 being exploited?

There is no known exploitation of CVE-2026-39333 in the wild and no public exploit code.

Other vulnerabilities in Churchcrm Churchcrm

• CVE-2026-39337 ChurchCRM Affected by Unauthenticated RCE in Install Wizard Critical 10.0
• CVE-2025-62521 ChurchCRM has unauthenticated RCE in its Install Wizard Critical 10.0
• CVE-2025-68110 ChurchCRM discloses database information on error message Critical 10.0
• CVE-2024-53438 SQL injection in n/a Critical 9.8
• CVE-2024-25894 SQL injection in n/a Critical 9.8

All Churchcrm Churchcrm vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-fqq6-qrcf-h7h5.