What is CVE-2026-35575?

CVE-2026-35575 is a high-severity vulnerability in Churchcrm Crm, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-04-07.

How severe is CVE-2026-35575?

High severity. CVSS v3 base score is 8.0 out of 10.

XSS in Churchcrm Crm

CVE-2026-35575

ChurchCRM is an open-source church management system. Prior to 6.5.3, a Stored Cross-Site Scripting (Stored XSS) vulnerability in the admin panel’s group-creation feature allows any user with group-creation privileges to inject malicious J…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (13.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Churchcrm Crm — versions < 6.5.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting
CWE-1004 — Sensitive Cookie Without 'HttpOnly' Flag

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-gc8q-2gw7-qj7w (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-35575?: CVE-2026-35575 is a high-severity vulnerability in Churchcrm Crm, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-04-07.
How severe is CVE-2026-35575?: High severity. CVSS v3 base score is 8.0 out of 10.