XSS in Churchcrm
CVE-2026-39336
ChurchCRM is an open-source church management system. Prior to 7.1.0, a stored cross-site scripting issue affects the Directory Reports form fields set from config, Person editor defaults rendered into address fields, and external self-registration form defaults. This is primarily an admin-to-admin stored XSS path where writable configuration fields are abused. This vulnerability is fixed in 7.1.0.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (11.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Churchcrm
- Churchcrm Crm — versions < 7.1.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-39336?
- CVE-2026-39336 is a medium-severity vulnerability in Churchcrm, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-07.
- How severe is CVE-2026-39336?
- Medium severity. CVSS v3 base score is 6.1 out of 10.