7.2
HIGH CVSS 4.0
CVE-2026-24855
ChurchCRM has Stored Cross-Site Scripting (XSS) in Create Events in Church Calendar, Leading to Account Takeover
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.

INFO

Published Date :

Jan. 30, 2026, 4:16 p.m.

Last Modified :

Jan. 30, 2026, 4:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-24855 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 HIGH [email protected]
Solution
Update ChurchCRM to version 6.7.2 to fix Stored XSS in event creation.
  • Update ChurchCRM to version 6.7.2.
  • Sanitize user input in the Description field.
  • Validate event data before saving.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-24855.

URL Resource
https://github.com/ChurchCRM/CRM/commit/0cd0d211459b8c19509d36b3c1dfcd7f8c10d914
https://github.com/ChurchCRM/CRM/commit/ec4b16e9a3ca09c8a01a712bcb90579c42f2ba28
https://github.com/ChurchCRM/CRM/security/advisories/GHSA-49qp-cfqx-c767
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-24855 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-24855 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-24855 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-24855 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jan. 30, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-79
    Added Reference https://github.com/ChurchCRM/CRM/commit/0cd0d211459b8c19509d36b3c1dfcd7f8c10d914
    Added Reference https://github.com/ChurchCRM/CRM/commit/ec4b16e9a3ca09c8a01a712bcb90579c42f2ba28
    Added Reference https://github.com/ChurchCRM/CRM/security/advisories/GHSA-49qp-cfqx-c767
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.2
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability