What is CVE-2026-35575?

CVE-2026-35575 is a high-severity vulnerability in Churchcrm, 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

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 JavaScript that executes automatically when an administrator views the page. This enables attackers to steal the administrator’s session cookies, potentially leading to full administrative account takeover. This vulnerability is fixed in 6.5.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.3th 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
Churchcrm Crm — versions < 6.5.3

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2026-35575?: CVE-2026-35575 is a high-severity vulnerability in Churchcrm, 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.