How severe is CVE-2026-39336?

CVE-2026-39336 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-39336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39336?

CVE-2026-39336 affects Churchcrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39336?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-39336 have an EU (EUVD) identifier?

Yes. CVE-2026-39336 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19833.

When was CVE-2026-39336 published?

CVE-2026-39336 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-39336

CVE-2026-39336 is a medium-severity vulnerability in Churchcrm with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19833
Weakness: CWE-79
Affected product: Churchcrm
Published: 2026-04-07
Last modified: 2026-06-17

Description

ChurchCRM is an open-source church management system. Prior to 7.1.0, a stored cross-site scripting issue affects the Directory Reports form fields set from config, Person editor defaults rendered into address fields, and external self-registration form defaults. This is primarily an admin-to-admin stored XSS path where writable configuration fields are abused. This vulnerability is fixed in 7.1.0.

Frequently asked questions

What is CVE-2026-39336?: ChurchCRM is an open-source church management system. Prior to 7.1.0, a stored cross-site scripting issue affects the Directory Reports form fields set from config, Person editor defaults rendered into address fields, and external self-registration form defaults. This is primarily an admin-to-admin stored XSS path where writable configuration fields are abused. This vulnerability is fixed in 7.1.0.
How severe is CVE-2026-39336?: CVE-2026-39336 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-39336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39336?: CVE-2026-39336 affects Churchcrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-39336 have an EU (EUVD) identifier?: Yes. CVE-2026-39336 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19833.
When was CVE-2026-39336 published?: CVE-2026-39336 was published on 2026-04-07 and last updated on 2026-06-17.

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r8cp-gg58-2r2r

Affected products (1)

cpe:2.3:a:churchcrm:churchcrm:*:*:*:*:*:*:*:*

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