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CVE-2026-58411— ChurchCRM has Reflected Cross-Site Scripting (XSS) via unsanitized request parameter names and values

Quick assessment

Affected
ChurchCRM CRM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ChurchCRM CRM是ChurchCRM的客户关系管理软件。 ChurchCRM 7.4.0之前版本存在跨站脚本漏洞，该漏洞源于用户可控的请求参数名和参数值输出编码不足，未经适当清理或环境输出编码便反射至JavaScript字符串环境和HTML属性环境，可能导致会话令牌窃取、账户接管、未经授权操作、敏感信息泄露、凭据收集、钓鱼攻击和权限提升。

AI Predicted 6.1 Difficulty: Easy EPSS 0.44% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
ChurchCRM CRM < 7.4.0 affected
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I. Basic Information for CVE-2026-58411

Vulnerability Information
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Vulnerability Title
ChurchCRM has Reflected Cross-Site Scripting (XSS) via unsanitized request parameter names and values
Source: CVE Program / CVE List V5
Vulnerability Description
ChurchCRM is an open-source church management system. Prior to version 7.4.0, Cross-Site Scripting (XSS) vulnerabilities were identified due to insufficient output encoding of user-controlled request parameter names and parameter values. The application reflects attacker-controlled input into JavaScript string contexts and HTML attribute contexts without proper sanitization or contextual output encoding. Affected endpoints observed during testing: /FamilyCustomFieldsEditor.php, /PaddleNumList.php and /admin/system/church-info. Potential consequences include session-token theft, account takeover, unauthorized actions on behalf of authenticated users, exposure of sensitive church member information, credential harvesting, phishing, and privilege escalation when administrators are targeted. This issue has been resolved in version 7.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
ChurchCRM 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ChurchCRM CRM是ChurchCRM的客户关系管理软件。 ChurchCRM 7.4.0之前版本存在跨站脚本漏洞，该漏洞源于用户可控的请求参数名和参数值输出编码不足，未经适当清理或环境输出编码便反射至JavaScript字符串环境和HTML属性环境，可能导致会话令牌窃取、账户接管、未经授权操作、敏感信息泄露、凭据收集、钓鱼攻击和权限提升。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ChurchCRM CRM < 7.4.0 -

II. Public POCs for CVE-2026-58411

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III. Intelligence Information for CVE-2026-58411

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Vendor Advisories for CVE-2026-58411 (1)

Same Patch Batch · ChurchCRM · 2026-07-13 · 4 CVEs total

CVE-2026-58409 9.1 CRITICAL ChurchCRM: Authenticated Remote Code Execution (RCE) via Malicious Plugin Upload
CVE-2026-58410 7.1 HIGH ChurchCRM: Improper object-level authorization allows low-privileged users to read and mod
CVE-2026-58408 6.5 MEDIUM ChurchCRM : Broken Access Control in `CSVCreateFile.php` Allows Low-Privileged Users to Ex

IV. Related Vulnerabilities

Same product: CRM
Same vendor: ChurchCRM
Same weakness: CWE-79

V. Comments for CVE-2026-58411

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