CVE-2026-26059
Stored XSS in ChurchCRM Group Editing Allows Script Execution
Publication date: 2026-02-19
Last updated on: 2026-02-20
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| churchcrm | churchcrm | to 6.8.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in ChurchCRM, an open-source church management system, in versions prior to 6.8.2. An authenticated user who has permission to edit groups can store a malicious JavaScript payload. This payload executes when the group is viewed in the Group View, potentially leading to cross-site scripting (XSS) attacks.
How can this vulnerability impact me? :
The vulnerability allows an authenticated user with group editing permissions to inject and execute JavaScript code when the group is viewed. This can lead to unauthorized actions, data theft, session hijacking, or other malicious activities within the application context.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, upgrade ChurchCRM to version 6.8.2 or later, as this version fixes the issue where an authenticated user with permission to edit groups could store a JavaScript payload that executes when the group is viewed.