Path traversal in ChurchCRM - CVE-2026-35573

 

Path traversal in ChurchCRM - CVE-2026-35573

Published: May 5, 2026


Vulnerability identifier: #VU129705
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-35573
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ChurchCRM
Affected software:
ChurchCRM

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to path traversal in src/ChurchCRM/Backup/RestoreJob.php backup restore functionality when handling uploaded backup files. A remote privileged user can upload a crafted .htaccess file and then upload a php webshell to execute arbitrary code.

Exploitation overwrites Apache .htaccess configuration files to bypass PHP execution restrictions.


How to mitigate CVE-2026-35573

Install security update from vendor's website.

Sources