# CVE-2026-24855: ChurchCRM has Stored Cross-Site Scripting (XSS) in Create Events in Church Calendar, Leading to Account Takeover

> Low-privilege users can inject scripts into event descriptions, triggering stored XSS that leads to account takeover when viewed by admins.

- **Severity:** High 7.2 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 30 Jan 2026
- **Updated:** 30 Jan 2026
- **Also known as:** GHSA-49qp-cfqx-c767

## What is CVE-2026-24855?

CVE-2026-24855 is a high-severity cross-site scripting vulnerability in Churchcrm Churchcrm, published on 30 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

ChurchCRM is an open-source church management system. Versions prior to 6.7.2 have a Stored Cross-Site Scripting (XSS) vulnerability occurs in Create Events in Church Calendar. Users with low privileges can create XSS payloads in the Description field. This payload is stored in the database, and when other users view that event (including the admin), the payload is triggered, leading to account takeover. Version 6.7.2 fixes the vulnerability.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-24855?

It affects 1 product.


Products: Churchcrm Churchcrm.

## How do I fix CVE-2026-24855?

No fix has been published for CVE-2026-24855 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-24855 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24855 exists.

## 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-2026-24855 and fix it if it is affected.

What it is: CVE-2026-24855 is a high-severity cross-site scripting vulnerability in Churchcrm Churchcrm, published on 30 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24855 exists.

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-2026-24855/ (Markdown: https://insights.sbomify.com/CVE-2026-24855/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-24855
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-24855
- OSV: https://osv.dev/vulnerability/CVE-2026-24855

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-24855/
Summaries are generated and may contain mistakes; the official description above is the record.
