Is CVE-2026-39941 in the CISA KEV catalog?

No. CVE-2026-39941 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-39941?

CVE-2026-39941 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2026-39941?

CVE-2026-39941 has an EPSS score of 0.26% (18th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-39941?

Upgrade churchcrm to 7.1.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-39941

MEDIUM

6.1

CVSS v3

NVD

Description

ChurchCRM is an open-source church management system. Prior to 7.1.0, an XSS vulnerability allows attacker-supplied input sent via a the EName and EDesc parameters in EditEventAttendees.php to be rendered in a page without proper output encoding, enabling arbitrary JavaScript execution in victims' browsers. This vulnerability is fixed in 7.1.0.

CWE-79Cross-Site Scripting (XSS)CWE-80

How to fix

Remediation Available

churchcrmNVD

Affected:< 7.1.0Fixed in:7.1.0CVE-2026-39941derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.26%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Release Notes1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-14.