Cross-site scripting in ChurchCRM - CVE-2026-35574

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Main Vulnerability Database Vulnerabilities #VU129706

Cross-site scripting in ChurchCRM - CVE-2026-35574

Published: May 5, 2026


Vulnerability identifier: #VU129706
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-35574
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ChurchCRM
Affected software:
ChurchCRM

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary JavaScript code in other users' browsers.

The vulnerability exists due to cross-site scripting in NoteEditor.php when processing note content. A remote user can submit a specially crafted note to execute arbitrary JavaScript code in other users' browsers.

User interaction is required when another user views the malicious note, including on a person's profile page.


How to mitigate CVE-2026-35574

Install security update from vendor's website.

Sources