How severe is CVE-2026-24855?

CVE-2026-24855 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-24855 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-2026-24855?

CVE-2026-24855 affects Churchcrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24855?

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

Does CVE-2026-24855 have an EU (EUVD) identifier?

Yes. CVE-2026-24855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5024.

When was CVE-2026-24855 published?

CVE-2026-24855 was published on 2026-01-30 and last updated on 2026-06-17.

CVE-2026-24855

CVE-2026-24855 is a medium-severity vulnerability in Churchcrm with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v4: 7.2
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5024
Weakness: CWE-79
Affected product: Churchcrm
Published: 2026-01-30
Last modified: 2026-06-17

Description

ChurchCRM is an open-source church management system. Versions prior to 6.7.2 have a Stored Cross-Site Scripting (XSS) vulnerability occurs in Create Events in Church Calendar. Users with low privileges can create XSS payloads in the Description field. This payload is stored in the database, and when other users view that event (including the admin), the payload is triggered, leading to account takeover. Version 6.7.2 fixes the vulnerability.

Frequently asked questions

What is CVE-2026-24855?: ChurchCRM is an open-source church management system. Versions prior to 6.7.2 have a Stored Cross-Site Scripting (XSS) vulnerability occurs in Create Events in Church Calendar. Users with low privileges can create XSS payloads in the Description field. This payload is stored in the database, and when other users view that event (including the admin), the payload is triggered, leading to account takeover. Version 6.7.2 fixes the vulnerability.
How severe is CVE-2026-24855?: CVE-2026-24855 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-24855 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-2026-24855?: CVE-2026-24855 affects Churchcrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-24855 have an EU (EUVD) identifier?: Yes. CVE-2026-24855 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5024.
When was CVE-2026-24855 published?: CVE-2026-24855 was published on 2026-01-30 and last updated on 2026-06-17.

References

Affected products (1)

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

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