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CVE-2026-35572— SSRF via Referer header in ChurchCRM allows server-side HTTP/HTTPS requests to arbitrary hosts

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是ChurchCRM开源的一个为教会打造的开源 CRM 系统。 ChurchCRM 6.5.3之前版本存在安全漏洞，该漏洞源于在Referer请求标头中提供特制URL可触发对任意主机的服务器端HTTP/HTTPS请求，可能导致服务端请求伪造攻击。

AI Predicted 9.1 Difficulty: Easy EPSS 0.30% · P22
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I. Basic Information for CVE-2026-35572

Vulnerability Information
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Vulnerability Title
SSRF via Referer header in ChurchCRM allows server-side HTTP/HTTPS requests to arbitrary hosts
Source: CVE Program / CVE List V5
Vulnerability Description
ChurchCRM is an open-source church management system. Prior to 6.5.3, it is possible to trigger server-side HTTP/HTTPS requests to arbitrary hosts (SSRF) by supplying a crafted URL in the Referer request header. The server subsequently makes an outbound request to the attacker-controlled domain, confirmed via OAST. This vulnerability is fixed in 6.5.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
ChurchCRM 安全漏洞
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 6.5.3之前版本存在安全漏洞，该漏洞源于在Referer请求标头中提供特制URL可触发对任意主机的服务器端HTTP/HTTPS请求，可能导致服务端请求伪造攻击。
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 < 6.5.3 -

II. Public POCs for CVE-2026-35572

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III. Intelligence Information for CVE-2026-35572

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Vendor Advisories for CVE-2026-35572 (1)

Same Patch Batch · ChurchCRM · 2026-04-07 · 28 CVEs total

CVE-2026-39337 10.0 CRITICAL ChurchCRM Affected by Unauthenticated RCE in Install Wizard
CVE-2026-35573 9.1 CRITICAL ChurchCRM has a Path traversal leads to RCE
CVE-2026-39339 9.1 CRITICAL ChurchCRM has an API Authentication Bypass
CVE-2026-39328 8.9 HIGH ChurchCRM has Stored XSS in Social Profile Fields
CVE-2026-39326 8.8 HIGH ChurchCRM has a Blind SQL injection in PropertyTypeEditor.php
CVE-2026-39334 8.8 HIGH ChurchCRM has a Blind SQL injection in SettingsIndividual.php
CVE-2026-39319 8.8 HIGH ChurchCRM has a Second Order SQLI via FundRaiserEditor.php
CVE-2026-39329 8.8 HIGH ChurchCRM has a Blind SQL injection in EventNames.php
CVE-2026-39327 8.8 HIGH ChurchCRM has a SQL injection in MemberRoleChange.php
CVE-2026-39318 8.8 HIGH ChurchCRM has a DDL SQL Injection in GroupPropsFormRowOps.php
CVE-2026-39330 8.8 HIGH ChurchCRM has a Blind SQL injection in PropertyAssign.php
CVE-2026-35576 8.7 HIGH ChurchCRM has Stored Cross-Site Scripting (XSS) in Person Properties via PrintView.php
CVE-2026-39333 8.7 HIGH ChurchCRM has Reflected XSS in DateStart/DateEnd parameters in FindFundRaiser.php
CVE-2026-39332 8.7 HIGH ChurchCRM has Reflected Cross-Site Scripting (XSS) in GeoPage.php
CVE-2026-39340 8.1 HIGH ChurchCRM has a SQL Injection in PropertyTypeEditor.php via Incorrect Sanitizer Substituti
CVE-2026-39341 8.1 HIGH SQL injection in ChurchCRM.0
CVE-2026-39331 8.1 HIGH ChurchCRM has an API Authorization Bypass Allows Authenticated User to Deactivate, Modify,
CVE-2026-35575 8.0 HIGH ChurchCRM has Stored XSS in Group Name
CVE-2026-35534 7.6 HIGH ChurchCRM has Stored XSS in PersonView.php via Facebook Field Attribute Injection
CVE-2026-35574 7.3 HIGH ChurchCRM has a Stored XSS in Person Profile - Add a Note

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: CRM
Same vendor: ChurchCRM
Same weakness: CWE-918

V. Comments for CVE-2026-35572

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