What is CVE-2026-35576?

CVE-2026-35576 is a high-severity vulnerability in Churchcrm, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-04-07.

How severe is CVE-2026-35576?

High severity. CVSS v3 base score is 8.7 out of 10.

XSS in Churchcrm

CVE-2026-35576

ChurchCRM is an open-source church management system. Prior to 7.0.0, a stored cross-site scripting (XSS) vulnerability exists in ChurchCRM within the Person Property Management subsystem. This issue persists in versions patched for CVE-2023-38766 and allows an authenticated user to inject arbitrary JavaScript code via dynamically assigned person properties. The malicious payload is persistently stored and executed when other users view the affected person profile or access the printable view, potentially leading to session hijacking or full account compromise. This vulnerability is fixed in 7.0.0.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

Affected products

Churchcrm
Churchcrm Crm — versions < 7.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2026-35576?: CVE-2026-35576 is a high-severity vulnerability in Churchcrm, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-04-07.
How severe is CVE-2026-35576?: High severity. CVSS v3 base score is 8.7 out of 10.