CVE-2026-39941 | THREATINT

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.

PUBLISHED Reserved 2026-04-07 | Published 2026-04-09 | Updated 2026-04-10 | Assigner GitHub_M

MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Product status

< 7.1.0

affected

References

github.com/...RM/CRM/security/advisories/GHSA-4mqw-9jww-2c58 exploit

github.com/...RM/CRM/security/advisories/GHSA-4mqw-9jww-2c58

github.com/...ommit/d2f7f36e2ea342419026ddc4bc4ea8efbf5e7e98

github.com/ChurchCRM/CRM/releases/tag/7.1.0

cve.org (CVE-2026-39941)

nvd.nist.gov (CVE-2026-39941)

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