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CVE-2025-62521— ChurchCRM has unauthenticated RCE in its Install Wizard

Quick assessment

Affected
ChurchCRM CRM
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ChurchCRM是ChurchCRM开源的一个为教会打造的开源 CRM 系统。 ChurchCRM 5.21.0之前版本存在代码注入漏洞，该漏洞源于安装向导中用户输入未经验证直接写入配置文件，可能导致远程代码执行。

CVSS 10.0 · Critical EPSS 4.51% · P91

Public Exploits 1

Metasploit · 1 churchcrm_install_unauth_rce.rb [exploit]
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I. Basic Information for CVE-2025-62521

Vulnerability Information
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Vulnerability Title
ChurchCRM has unauthenticated RCE in its Install Wizard
Source: CVE Program / CVE List V5
Vulnerability Description
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 `setup/routes/setup.php` 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 `Include/Config.php`, which is then executed on every page load. This is more severe than typical authenticated RCE vulnerabilities because it requires no credentials and affects the installation process that administrators must complete. Version 5.21.0 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
ChurchCRM 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ChurchCRM是ChurchCRM开源的一个为教会打造的开源 CRM 系统。 ChurchCRM 5.21.0之前版本存在代码注入漏洞，该漏洞源于安装向导中用户输入未经验证直接写入配置文件，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
ChurchCRM CRM < 5.21.0 -

II. Public POCs for CVE-2025-62521

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: Unauthenticated RCE via setup wizard DB_PASSWORD injection. Proof: RCE_CONFIRMED_by_CVE-2025-62521
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 3991 chars
GitHub 复现环境（可 clone 直接跑）
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Full executable POC code
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POC zip download
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III. Intelligence Information for CVE-2025-62521

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Vendor Advisories for CVE-2025-62521 (1)

Same Patch Batch · ChurchCRM · 2025-12-17 · 15 CVEs total

CVE-2025-68110 10.0 CRITICAL ChurchCRM discloses database information on error message
CVE-2025-68112 9.6 CRITICAL ChurchCRM has SQL injection in EditEventAttendees.php
CVE-2025-68109 9.1 CRITICAL ChurchCRM vulnerable to RCE with database restore functionality
CVE-2025-66395 8.8 HIGH SQL Injection in Event List via `WhichType` Parameter
CVE-2025-66397 8.3 HIGH ChurchCRM's Kiosk Manager Functions are vulnerable to Broken Access Control
CVE-2025-66396 7.2 HIGH ChurchCRM has SQL Injection in User Editor via `type` Parameter Key
CVE-2025-68111 7.2 HIGH ChurchCRM has SQL Injection in eGive Import Feature
CVE-2025-67876 ChurchCRM has Stored XSS in Group Role Name Leading to Admin Session Hijacking
CVE-2025-67875 ChurchCRM has stored XSS via Person Property Assignment Leading to Admin Session Hijacking
CVE-2025-67877 ChurchCRM SQL Injection Vulnerability
CVE-2025-68399 ChurchCRM has Stored Cross-Site Scripting (XSS) In GroupEditor.php
CVE-2025-68401 ChurchCRM has Stored Cross-Site Scripting (XSS) vulnerability that leads to session theft
CVE-2025-68400 ChurchCRM vulnerable to time-based blind SQL Injection in ConfirmReportEmail.php
CVE-2025-68275 ChurchCRM vulnerable to Stored XSS - Group name > Person Listing

IV. Related Vulnerabilities

Same product: CRM
Same vendor: ChurchCRM
Same weakness: CWE-94

V. Comments for CVE-2025-62521

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