# 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.

- **Severity:** Low 2.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P`)
- **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 available:** No
- **Published:** 19 Feb 2026
- **Updated:** 19 Feb 2026
- **Also known as:** GHSA-3wp4-vpr7-47q6

## 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 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-26059?

It affects 1 product.


Products: 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.

## 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

- [CVE-2026-39337](https://insights.sbomify.com/CVE-2026-39337/): ChurchCRM Affected by Unauthenticated RCE in Install Wizard (critical 10.0)
- [CVE-2025-62521](https://insights.sbomify.com/CVE-2025-62521/): ChurchCRM has unauthenticated RCE in its Install Wizard (critical 10.0)
- [CVE-2025-68110](https://insights.sbomify.com/CVE-2025-68110/): ChurchCRM discloses database information on error message (critical 10.0)
- [CVE-2024-53438](https://insights.sbomify.com/CVE-2024-53438/): SQL injection in n/a (critical 9.8)
- [CVE-2024-25894](https://insights.sbomify.com/CVE-2024-25894/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-26059 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-26059 in the wild and no public exploit code.

Affected product: Churchcrm Churchcrm. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-26059/ (Markdown: https://insights.sbomify.com/CVE-2026-26059/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-26059
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-26059
- OSV: https://osv.dev/vulnerability/CVE-2026-26059

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-26059/
Summaries are generated and may contain mistakes; the official description above is the record.