XSS in Churchcrm
CVE-2026-24855
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Churchcrm
- Churchcrm Crm — versions < 6.7.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-24855?
- CVE-2026-24855 is a medium-severity vulnerability in Churchcrm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-30.
- How severe is CVE-2026-24855?
- Medium severity. CVSS v3 base score is 5.4 out of 10.