CVE-2026-35574

HighCVSS 8.7/10Last modified Oct 26, 2026

Description

ChurchCRM is an open-source church management system. Prior to 6.5.3, a stored Cross-Site Scripting (XSS) vulnerability in ChurchCRM's Note Editor allows authenticated users with note-adding permissions to execute arbitrary JavaScript code in the context of other users' browsers, including administrators. This can lead to session hijacking, privilege escalation, and unauthorized access to sensitive church member data. This vulnerability is fixed in 6.5.3.

Metrics

CVSS 3.1 8.7/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
ChurchCRM	CRM	< 6.5.3

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-cx82-8xrh-7f5cExploit, Vendor Advisory
https://github.com/ChurchCRM/CRM/security/advisories/GHSA-cx82-8xrh-7f5cExploit, Vendor Advisory

Timeline

Published: Apr 7, 2026
Last modified: Oct 26, 2026
NVD status: Analyzed

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