EUVD-2026-19773CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Tags
Description
ChurchCRM is an open-source church management system. Prior to 6.5.3, a Stored Cross-Site Scripting (Stored XSS) vulnerability in the admin panel’s group-creation feature allows any user with group-creation privileges to inject malicious JavaScript that executes automatically when an administrator views the page. This enables attackers to steal the administrator’s session cookies, potentially leading to full administrative account takeover. This vulnerability is fixed in 6.5.3.
Analysis
Stored Cross-Site Scripting in ChurchCRM admin panel enables session hijacking and administrative account takeover through malicious group names. Authenticated users with group-creation privileges can inject JavaScript that executes when administrators view group listings, stealing session cookies. …
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Remediation
Within 24 hours: Identify all ChurchCRM deployments and confirm versions currently running (check for versions prior to 6.5.3). Immediately restrict group-creation privileges to only fully trusted administrators and disable this functionality where operationally feasible. …
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