How severe is CVE-2024-0856?

CVE-2024-0856 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-0856 being actively exploited?

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

What products are affected by CVE-2024-0856?

CVE-2024-0856 affects Codepeople Appointment Booking Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-0856?

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-2024-0856 have an EU (EUVD) identifier?

Yes. CVE-2024-0856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-16639.

When was CVE-2024-0856 published?

CVE-2024-0856 was published on 2024-03-20 and last updated on 2026-06-17.

CVE-2024-0856

CVE-2024-0856 is a high-severity vulnerability in Codepeople Appointment Booking Calendar with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-16639
Weakness: CWE-352
Affected product: Codepeople Appointment Booking Calendar
Published: 2024-03-20
Last modified: 2026-06-17

Description

The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks such as adding a booking to the calendar without paying.

Frequently asked questions

What is CVE-2024-0856?: The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks such as adding a booking to the calendar without paying.
How severe is CVE-2024-0856?: CVE-2024-0856 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-0856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-0856?: CVE-2024-0856 affects Codepeople Appointment Booking Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-0856?: 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-2024-0856 have an EU (EUVD) identifier?: Yes. CVE-2024-0856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-16639.
When was CVE-2024-0856 published?: CVE-2024-0856 was published on 2024-03-20 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/eb383600-0cff-4f24-8127-1fb118f0565a/

Affected products (1)

cpe:2.3:a:codepeople:appointment_booking_calendar:*:*:*:*:*:wordpress:*:*

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