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CVE-2026-39941

ChurchCRM has an XSS vulnerability

Published: Apr 9, 2026Updated: Apr 14, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.3%
Top 82.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79CWE-80

Affected Products

CRMChurchCRM
On-premWeb App
Enterprise Software / itsm-monitoring
churchcrmchurchcrm
On-premWeb App
Enterprise Software / document-mgmt
churchcrmcommercialEnterprise Softwareaka churchcrm

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-4mqw-9jww-2c58
github.com
https://github.com/ChurchCRM/CRM/commit/d2f7f36e2ea342419026ddc4bc4ea8efbf5e7e98
github.com
https://github.com/ChurchCRM/CRM/releases/tag/7.1.0
github.com

Timeline

Published
Apr 9, 2026
Last Updated
Apr 14, 2026

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