Cross-Site Scripting Vulnerability in ChurchCRM by ChurchCRM
CVE-2026-39941

5.3MEDIUM

Key Information:

Vendor

Churchcrm

Status
Crm
Vendor
CVE Published:
9 April 2026

What is CVE-2026-39941?

ChurchCRM, an open-source church management system, is vulnerable to a Cross-Site Scripting (XSS) attack in versions prior to 7.1.0. The vulnerability originates from improper output encoding of attacker-supplied input via the EName and EDesc parameters within the EditEventAttendees.php file. This flaw enables malicious users to inject arbitrary JavaScript code that can be executed in the browsers of users visiting the affected page. The issue has been addressed in version 7.1.0, which is essential for securing user data and protecting against potential exploits.

Affected Version(s)

CRM < 7.1.0

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/ChurchCRM/CRM/commit/d2f7f36e2ea342419...
x_refsource_MISC
https://github.com/ChurchCRM/CRM/releases/tag/7.1.0
x_refsource_MISC

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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