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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.

PUBLISHED Reserved 2026-04-03 | Published 2026-04-07 | Updated 2026-04-07 | Assigner GitHub_M




HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

< 6.5.3
affected

References

github.com/...RM/CRM/security/advisories/GHSA-cx82-8xrh-7f5c exploit

github.com/...RM/CRM/security/advisories/GHSA-cx82-8xrh-7f5c

cve.org (CVE-2026-35574)

nvd.nist.gov (CVE-2026-35574)

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