What is CVE-2026-40483?

CVE-2026-40483 is a medium-severity vulnerability in Churchcrm Crm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-17.

How severe is CVE-2026-40483?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Churchcrm Crm

CVE-2026-40483

ChurchCRM is an open-source church management system. In versions prior to 7.2.0, the Pledge Editor renders donation comment values directly into HTML input value attributes without escaping via htmlspecialchars(). An authenticated user wi…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (1.0th 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 Crm — versions < 7.2.0

Weakness classification (CWE)

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-wjmf-w8gj-rx7g (x_refsource_CONFIRM)
https://github.com/ChurchCRM/CRM/pull/8609 (x_refsource_MISC)
https://github.com/ChurchCRM/CRM/commit/b3da72a2b35f9c600e340a9dfd35e7792ff4f899 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40483?: CVE-2026-40483 is a medium-severity vulnerability in Churchcrm Crm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-17.
How severe is CVE-2026-40483?: Medium severity. CVSS v3 base score is 5.4 out of 10.