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.
- 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
- None listed
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
Which versions are affected by CVE-2026-24855?
It affects 1 product.
Products include 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.
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-2026-24855 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
Sources
Also known as GHSA-49qp-cfqx-c767.