CVE-2026-35573

CriticalCVSS 9.1/10Last modified Oct 26, 2026

Description

ChurchCRM is an open-source church management system. Prior to 6.5.3, a path traversal vulnerability in ChurchCRM's backup restore functionality allows authenticated administrators to upload arbitrary files and achieve remote code execution by overwriting Apache .htaccess configuration files. The vulnerability exists in src/ChurchCRM/Backup/RestoreJob.php. The $rawUploadedFile['name'] parameter is user-controlled and allows uploading files with arbitrary names to /var/www/html/tmp_attach/ChurchCRMBackups/. This vulnerability is fixed in 6.5.3.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-22 CWE-434

Affected software

Vendor	Product	Versions
ChurchCRM	CRM	< 6.5.3

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wxExploit, Third Party Advisory
https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wxExploit, Third Party Advisory

Timeline

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

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