CVE-2026-24855

high

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.

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-49qp-cfqx-c767

https://github.com/ChurchCRM/CRM/commit/ec4b16e9a3ca09c8a01a712bcb90579c42f2ba28

https://github.com/ChurchCRM/CRM/commit/0cd0d211459b8c19509d36b3c1dfcd7f8c10d914

Details

Source: Mitre, NVD

Published: 2026-01-30

Updated: 2026-02-17

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 8.5

Vector: 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

Severity: High

EPSS

EPSS: 0.00044