ChurchCRM up to 5.18.0 Backup Restore RestoreJob.php restoreFile path traversal

Summaryinfo

A vulnerability, which was classified as critical, has been found in ChurchCRM up to 5.18.0. Impacted is an unknown function of the file src/ChurchCRM/Backup/RestoreJob.php of the component Backup Restore Handler. The manipulation of the argument restoreFile leads to path traversal. This vulnerability is referenced as CVE-2025-11939. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ChurchCRM up to 5.18.0. This issue affects an unknown functionality of the file src/ChurchCRM/Backup/RestoreJob.php of the component Backup Restore Handler. The manipulation of the argument restoreFile with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-11939. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation requires an enhanced level of successful authentication. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:src/ChurchCRM/Backup/RestoreJob.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202510-2553) and EUVD (EUVD-2025-35004). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• ChurchCRM

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10
• 5.11
• 5.12
• 5.13
• 5.14
• 5.15
• 5.16
• 5.17
• 5.18.0

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Submitinfo

Accepted

• Submit #671101: ChurchCRM <= 5.18.0 Path Traversal (by uartu0)

Be aware that VulDB is the high quality source for vulnerability data.

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