CVE-2026-35573

CRITICAL

9.1

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.

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published4/7/2026

Last Modified4/10/2026

Sourcenvd

Honeypot Sightings0

Affected Products

churchcrm:churchcrm

Weaknesses (CWE)

CWE-22CWE-434

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wx(security-advisories@github.com)

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wx(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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