Description
ChurchCRM is an open-source church management system. Prior to 7.1.0, a Blind Reflected Cross-Site Scripting vulnerability exists in the search parameter accepted by the ChurchCRM dashboard. The application fails to sanitize or encode user-supplied input prior to rendering it within the browser's DOM. Although the application ultimately returns an HTTP 500 error due to the malformed API request caused by the payload, the browser's JavaScript engine parses and executes the injected <script> tags before the error response is returned — resulting in successful code execution regardless of the server-side error. This vulnerability is fixed in 7.1.0.
Published: 2026-04-07
Score: 8.6 High
EPSS: < 1% Very Low
KEV: No
Impact: Blind XSS enabling administrative cookie session exfiltration
Action: Patch Now
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 15 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:churchcrm:churchcrm:*:*:*:*:*:*:*:*

Thu, 09 Apr 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 09 Apr 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Churchcrm
Churchcrm churchcrm
Vendors & Products Churchcrm
Churchcrm churchcrm

Tue, 07 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
Description ChurchCRM is an open-source church management system. Prior to 7.1.0, a Blind Reflected Cross-Site Scripting vulnerability exists in the search parameter accepted by the ChurchCRM dashboard. The application fails to sanitize or encode user-supplied input prior to rendering it within the browser's DOM. Although the application ultimately returns an HTTP 500 error due to the malformed API request caused by the payload, the browser's JavaScript engine parses and executes the injected <script> tags before the error response is returned — resulting in successful code execution regardless of the server-side error. This vulnerability is fixed in 7.1.0.
Title ChurchCRM has Blind XSS via Global Search – Administrative Cookie Session Exfiltration
Weaknesses CWE-1004
CWE-79
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

Churchcrm Churchcrm
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-09T15:57:12.789Z

Reserved: 2026-04-06T20:28:38.393Z

Link: CVE-2026-39338

cve-icon Vulnrichment

Updated: 2026-04-09T15:53:54.766Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-07T18:16:45.753

Modified: 2026-04-15T20:15:01.983

Link: CVE-2026-39338

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-09T08:23:22Z

Weaknesses