Is CVE-2024-0856 in the CISA KEV catalog?

No. CVE-2024-0856 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-0856?

CVE-2024-0856 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2024-0856?

CVE-2024-0856 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-0856?

Upgrade appointment booking calendar to 1.3.83 or later.

CVE & CISA-KEV Catalog

CVE-2024-0856

HIGH

8.8

CVSS v3

NVD

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.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

appointment booking calendarNVD

Affected:< 1.3.83Fixed in:1.3.83CVE-2024-0856derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Exploit1

wpscan.com

Related Vulnerabilities

Other CWE-352 (Cross-Site Request Forgery) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-6277	High	8.8	100%	KEV	-
CVE-2014-0054	Medium	6.8	91%	-	Fix
CVE-2013-6429	Medium	6.8	90%	-	Fix
CVE-2022-41622	High	8.8	88%	-	-
CVE-2018-7700	High	8.8	75%	-	-
CVE-2015-2295	Medium	6.8	66%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-05.