CVE-2026-39941 Details
Description
ChurchCRM is an open-source church management system. Prior to 7.1.0, an XSS vulnerability allows attacker-supplied input sent via a the EName and EDesc parameters in EditEventAttendees.php to be rendered in a page without proper output encoding, enabling arbitrary JavaScript execution in victims' browsers. This vulnerability is fixed in 7.1.0.
A cross-site scripting (XSS) vulnerability has been identified in ChurchCRM, an open-source church management system, in versions prior to 7.1.0. The issue arises in the event editing feature, specifically within the 'EditEventAttendees.php' file. The vulnerability allows attacker-supplied input, particularly through the 'EName' and 'EDesc' parameters, to be injected and rendered on the page without proper output encoding. This lack of encoding enables the execution of arbitrary JavaScript in the browsers of users viewing the affected page.
Users can upgrade to ChurchCRM version 7.1.0 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 10, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/ChurchCRM/CRM/security/advisories/GHSA-4mqw-9jww-2c58 | CISA-ADP | ExploitVendor Advisory |
| https://github.com/ChurchCRM/CRM/commit/d2f7f36e2ea342419026ddc4bc4ea8efbf5e7e98 | [email protected] | Patch |
| https://github.com/ChurchCRM/CRM/releases/tag/7.1.0 | [email protected] | ProductRelease Notes |
| https://github.com/ChurchCRM/CRM/security/advisories/GHSA-4mqw-9jww-2c58 | [email protected] | ExploitVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
| CWE-80 | Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| churchcrm churchcrm | < 7.1.0 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 14, 2026 | Initial Analysis | [email protected] |
| Apr 10, 2026 | CVE Modified | CISA-ADP |
| Apr 9, 2026 | New CVE Received | [email protected] |