CVE-2023-26843: Churchcrm

Medium severity, CVSS 5.4. EPSS: 1.4% chance of exploitation in the next 30 days.

A stored Cross-site scripting (XSS) vulnerability in ChurchCRM 4.5.3 allows remote attackers to inject arbitrary web script or HTML via the NoteEditor.php.

Affected products

• Churchcrm Churchcrm: version 4.5.3 only

Published 2023-04-25. Last modified 2026-06-17.