CVE-2026-39941

EUVD-2026-20948
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
Affected Products (NVD)
VendorProductVersion
churchcrmchurchcrm
𝑥
< 7.1.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/ChurchCRM/CRM/commit/d2f7f36e2ea342419026ddc4bc4ea8efbf5e7e98
https://github.com/ChurchCRM/CRM/releases/tag/7.1.0
https://github.com/ChurchCRM/CRM/security/advisories/GHSA-4mqw-9jww-2c58
https://github.com/ChurchCRM/CRM/security/advisories/GHSA-4mqw-9jww-2c58