Cross-site scripting in ChurchCRM - #VU138418
Published: July 20, 2026
Vulnerability identifier: #VU138418
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 in a victim's browser.
The vulnerability exists due to cross-site scripting in the main dashboard Location column renderer in MainDashboard.js when rendering family address data returned by the families API. A remote user can inject a crafted address value to execute arbitrary script in a victim's browser.
The payload is stored and executes when a user lands on the /v2/dashboard page after login. Anonymous exploitation is possible if self-registration is enabled.
Affected software
ChurchCRM
Remediation
Install security update from vendor's website.
ChurchCRM - update to 7.4.3