What is CVE-2026-26059?

CVE-2026-26059 is a medium-severity vulnerability in Churchcrm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-02-19.

How severe is CVE-2026-26059?

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

XSS in Churchcrm

CVE-2026-26059

ChurchCRM is an open-source church management system. In versions prior to 6.8.2, it was possible for an authenticated user with permission to edit groups to store a JavaScript payload that would execute when the group was viewed in the Group View. Version 6.8.2 fixes this issue.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.9th 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
Churchcrm Crm — versions < 6.8.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-26059?: CVE-2026-26059 is a medium-severity vulnerability in Churchcrm, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-02-19.
How severe is CVE-2026-26059?: Medium severity. CVSS v3 base score is 5.4 out of 10.