CVE-2026-39941

| EUVD-2026-20948 MEDIUM
2026-04-09 GitHub_M
5.3
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

3
EUVD ID Assigned
Apr 09, 2026 - 16:00 euvd
EUVD-2026-20948
Analysis Generated
Apr 09, 2026 - 16:00 vuln.today
CVE Published
Apr 09, 2026 - 15:38 nvd
MEDIUM 5.3

Tags

XSS PHP

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.

Analysis

Cross-site scripting (XSS) in ChurchCRM prior to 7.1.0 allows unauthenticated remote attackers to inject arbitrary JavaScript through the EName and EDesc parameters in EditEventAttendees.php, which is rendered without proper output encoding. Successful exploitation requires user interaction (UI:P) and results in session hijacking, credential theft, or malware distribution to victims' browsers. …

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +26
POC: 0

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CVE-2026-39941 vulnerability details – vuln.today
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