Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Churchcrm | Churchcrm | < 6.5.3 |
Related Weaknesses (CWE)
References
- https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wxExploitThird Party Advisory
- https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wxExploitThird Party Advisory
FAQ
What is CVE-2026-35573?
CVE-2026-35573 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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...
How severe is CVE-2026-35573?
CVE-2026-35573 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-35573?
Check the references section above for vendor advisories and patch information. Affected products include: Churchcrm Churchcrm.