Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in ChurchCRM - #VU138416
Published: July 20, 2026
Vulnerability identifier: #VU138416
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-80
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary JavaScript in the victim's authenticated session.
The vulnerability exists due to cross-site scripting in FamilyEditor.php member name fields when rendering stored family member names into HTML value attributes. A remote user can store a crafted name value to execute arbitrary JavaScript in the victim's authenticated session.
No user interaction is required once a victim opens the affected family editor page.
Affected software
ChurchCRM
Remediation
Install security update from vendor's website.
ChurchCRM - update to 7.4.3