How severe is CVE-2023-26855?

CVE-2023-26855 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-26855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26855?

CVE-2023-26855 affects Churchcrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26855?

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.

When was CVE-2023-26855 published?

CVE-2023-26855 was published on 2023-04-04 and last updated on 2026-06-17.

CVE-2023-26855

CVE-2023-26855 is a high-severity vulnerability in Churchcrm with a CVSS 3.x base score of 7.5. 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-330.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Churchcrm
Published: 2023-04-04
Last modified: 2026-06-17

Description

The hashing algorithm of ChurchCRM v4.5.3 utilizes a non-random salt value which allows attackers to use precomputed hash tables or dictionary attacks to crack the hashed passwords.

Frequently asked questions

What is CVE-2023-26855?: The hashing algorithm of ChurchCRM v4.5.3 utilizes a non-random salt value which allows attackers to use precomputed hash tables or dictionary attacks to crack the hashed passwords.
How severe is CVE-2023-26855?: CVE-2023-26855 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-26855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26855?: CVE-2023-26855 affects Churchcrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26855?: 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.
When was CVE-2023-26855 published?: CVE-2023-26855 was published on 2023-04-04 and last updated on 2026-06-17.

References

https://github.com/ChurchCRM/CRM/issues/6449

Affected products (1)

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

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