How severe is CVE-2026-35574?

CVE-2026-35574 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-35574 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35574?

CVE-2026-35574 affects Churchcrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35574?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-35574 have an EU (EUVD) identifier?

Yes. CVE-2026-35574 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19772.

When was CVE-2026-35574 published?

CVE-2026-35574 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-35574

CVE-2026-35574 is a high-severity vulnerability in Churchcrm with a CVSS 3.x base score of 7.3. 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: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19772
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 6.5.3, a stored Cross-Site Scripting (XSS) vulnerability in ChurchCRM's Note Editor allows authenticated users with note-adding permissions to execute arbitrary JavaScript code in the context of other users' browsers, including administrators. This can lead to session hijacking, privilege escalation, and unauthorized access to sensitive church member data. This vulnerability is fixed in 6.5.3.

Frequently asked questions

What is CVE-2026-35574?: ChurchCRM is an open-source church management system. Prior to 6.5.3, a stored Cross-Site Scripting (XSS) vulnerability in ChurchCRM's Note Editor allows authenticated users with note-adding permissions to execute arbitrary JavaScript code in the context of other users' browsers, including administrators. This can lead to session hijacking, privilege escalation, and unauthorized access to sensitive church member data. This vulnerability is fixed in 6.5.3.
How severe is CVE-2026-35574?: CVE-2026-35574 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-35574 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35574?: CVE-2026-35574 affects Churchcrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35574?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-35574 have an EU (EUVD) identifier?: Yes. CVE-2026-35574 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19772.
When was CVE-2026-35574 published?: CVE-2026-35574 was published on 2026-04-07 and last updated on 2026-06-17.

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-cx82-8xrh-7f5c

Affected products (1)

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

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