How severe is CVE-2023-26840?

CVE-2023-26840 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-26840 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26840?

CVE-2023-26840 affects Churchcrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26840?

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

When was CVE-2023-26840 published?

CVE-2023-26840 was published on 2023-04-25 and last updated on 2026-06-17.

CVE-2023-26840

CVE-2023-26840 is a medium-severity vulnerability in Churchcrm with a CVSS 3.x base score of 5.3. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Churchcrm
Published: 2023-04-25
Last modified: 2026-06-17

Description

A cross-site request forgery (CSRF) vulnerability in ChurchCRM v4.5.3 allows attackers to set a person to a user and set that user to be an Administrator.

Frequently asked questions

What is CVE-2023-26840?: A cross-site request forgery (CSRF) vulnerability in ChurchCRM v4.5.3 allows attackers to set a person to a user and set that user to be an Administrator.
How severe is CVE-2023-26840?: CVE-2023-26840 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-26840 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26840?: CVE-2023-26840 affects Churchcrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26840?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26840 published?: CVE-2023-26840 was published on 2023-04-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:churchcrm:churchcrm:4.5.3:*:*:*:*:*:*:*

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