EUVD-2026-19718
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Lifecycle Timeline
3Description
ChurchCRM is an open-source church management system. Prior to 7.1.0, a stored cross-site scripting vulnerability exists in PersonView.php due to incorrect use of sanitizeText() as an output sanitizer for HTML attribute context. The function only strips HTML tags, it does not escape quote characters allowing an attacker to break out of the href attribute and inject arbitrary JavaScript event handlers. Any authenticated user with the EditRecords role can store the payload in a person's Facebook field. The XSS fires against any user who views that person's profile page, including administrators, enabling session hijacking and full account takeover. This vulnerability is fixed in 7.1.0.
Analysis
Stored cross-site scripting (XSS) in ChurchCRM versions prior to 7.1.0 enables authenticated users with EditRecords role to inject malicious JavaScript through improperly sanitized Facebook profile fields, executing arbitrary code in administrators' browser sessions and enabling account takeover. The vulnerability exploits inadequate output encoding in PersonView.php where sanitizeText() strips HTML tags but fails to escape quote characters in href attribute contexts. …
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Remediation
Within 24 hours: Inventory all ChurchCRM deployments and confirm versions in use; restrict EditRecords role assignment to trusted personnel only. Within 7 days: Upgrade ChurchCRM to version 7.1.0 or later if available; if upgrade is blocked, implement input validation rules to reject special characters in Facebook profile fields via Web Application Firewall (WAF) or application-level controls. …
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External POC / Exploit Code
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