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Vulnerabilities

Vulnerability · CVE-2025-62521

ChurchCRM is an open-source church management system.

Published Dec 17, 2025 · catalog updated Dec 17, 2025 · ChurchCRM

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-62521. EPSS is 4.51%. Act only if a listed version of ChurchCRM is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical10.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
4.51%
Remediation
Version ranges on file
Affected products
vendor ChurchCRM crm < 5.21.0

ChurchCRM is an open-source church management system. Prior to version 5.21.0, a pre-authentication remote code execution vulnerability in ChurchCRM's setup wizard allows unauthenticated attackers to inject arbitrary PHP code during the initial installation process, leading to complete server compromise. The vulnerability exists in where user input from the setup form is directly concatenated into a PHP configuration template without any validation or sanitization. Any parameter in the setup form can be used to inject PHP code that gets written to , which is then executed on every page load. T

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor ChurchCRM crm < 5.21.0< 5.21.0

How to fix CVE-2025-62521

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-62521. EPSS is 4.51%. Act only if a listed version of ChurchCRM is installed.

Which versions are affected?

Compare what you have installed with ChurchCRM crm < 5.21.0 < 5.21.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 4.51%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 17, 2025 · EUVD

    Detected

    ChurchCRM is an open-source church management system. Prior to version 5.21.0, a pre-authentication remote code execution vulnerability in ChurchCRM's setup wizard allows unauthenticated attackers to inject arbitrary PHP code during the initial installation process, leading to complete server compromise. The vulnerability exists in where user input from the setup form is directly concatenated into

  2. Dec 17, 2025 · EUVD

    Updated

    ChurchCRM is an open-source church management system. Prior to version 5.21.0, a pre-authentication remote code execution vulnerability in ChurchCRM's setup wizard allows unauthenticated attackers to inject arbitrary PHP code during the initial installation process, leading to complete server compromise. The vulnerability exists in where user input from the setup form is directly concatenated into

Sources

  • CVE.orgVulnerability recordCVE-2025-62521

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-62521

    30-day exploitation probability 4.51%

    first.org
  • EUVDVulnerability recordEUVD-2025-203917

    ChurchCRM is an open-source church management system. Prior to version 5.21.0, a pre-authentication remote code execution vulnerability in ChurchCRM's setup wizard allows unauthenticated attackers to inject arbitrary PHP code during the initial installation process, leading to co

    euvd.enisa.europa.eu
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/churchcrm_install_unauth_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Metasploit ModulesNov 3, 2026
  • FIRST EPSSNov 2, 2026
  • CVE.orgNov 2, 2026
  • EUVDNov 1, 2026