Cross-site scripting in ChurchCRM - #VU138417
Published: July 20, 2026
Vulnerability identifier: #VU138417
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 attacker to execute arbitrary JavaScript in the victim's authenticated session.
The vulnerability exists due to cross-site scripting in MemberRoleChange.php when handling the Return query parameter. A remote attacker can send a specially crafted link to execute arbitrary JavaScript in the victim's authenticated session.
User interaction is required, and the victim must have the Manage Groups & Roles permission.
Affected software
ChurchCRM
Remediation
Install security update from vendor's website.
ChurchCRM - update to 7.4.3