Cross-site scripting in ChurchCRM - #VU138419
Published: July 20, 2026
Vulnerability identifier: #VU138419
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary script code in a victim's browser.
The vulnerability exists due to cross-site scripting in person/family record views when rendering a person's name into an HTML attribute. A remote user can supply a crafted person name containing a JavaScript event handler to execute arbitrary script code in a victim's browser.
An anonymous user can exploit this issue if self-registration is enabled, and user interaction is required when a staff member or administrator views the affected person or family record.
Affected software
ChurchCRM
Remediation
Install security update from vendor's website.
ChurchCRM - update to 7.4.3