CVE-2026-26059 ChurchCRM has Stored Cross-Site Scripting (XSS) in GroupEditor.php
An authenticated user with group editing permissions can inject JavaScript that executes for other users viewing the group.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-26059?
CVE-2026-26059 is a low-severity cross-site scripting vulnerability in Churchcrm Churchcrm, published on 19 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
ChurchCRM is an open-source church management system. In versions prior to 6.8.2, it was possible for an authenticated user with permission to edit groups to store a JavaScript payload that would execute when the group was viewed in the Group View. Version 6.8.2 fixes this issue.
Weakness: CWE-79
Which versions are affected by CVE-2026-26059?
It affects 1 product.
Products include Churchcrm Churchcrm.
How do I fix CVE-2026-26059?
No fix has been published for CVE-2026-26059 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-26059 being exploited?
There is no known exploitation of CVE-2026-26059 in the wild and no public exploit code.
Other vulnerabilities in Churchcrm Churchcrm
Sources
Also known as GHSA-3wp4-vpr7-47q6.