CVE-2026-35573CRITICAL 9.1EPSS p50.6%

CVE-2026-35573CVE-2026-35573

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.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS0.77% probability of exploitation · percentile 50.6% · 2026-06-19T12:03:05Z
Published2026-04-07
Last modified2026-04-10

Underlying weaknesses· 2

CWE-22CWE-434

References

  1. https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wx
  2. https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wx

2

TypeTargetConfidenceTier
WeaknessImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal')cwe-220%live
WeaknessUnrestricted Upload of File with Dangerous Typecwe-4340%live

Related by meaning· 6

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.