How severe is CVE-2020-9372?

CVE-2020-9372 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9372 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9372?

CVE-2020-9372 affects Codepeople Appointment Booking Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9372?

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-2020-9372 published?

CVE-2020-9372 was published on 2020-03-04 and last updated on 2026-06-17.

CVE-2020-9372

CVE-2020-9372 is a high-severity vulnerability in Codepeople Appointment Booking Calendar with a CVSS 3.x base score of 7.8. 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-1236.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1236
Affected product: Codepeople Appointment Booking Calendar
Published: 2020-03-04
Last modified: 2026-06-17

Description

The Appointment Booking Calendar plugin before 1.3.35 for WordPress allows user input (in fields such as Description or Name) in any booking form to be any formula, which then could be exported via the Bookings list tab in /wp-admin/admin.php?page=cpabc_appointments.php. The attacker could achieve remote code execution via CSV injection.

Frequently asked questions

What is CVE-2020-9372?: The Appointment Booking Calendar plugin before 1.3.35 for WordPress allows user input (in fields such as Description or Name) in any booking form to be any formula, which then could be exported via the Bookings list tab in /wp-admin/admin.php?page=cpabc_appointments.php. The attacker could achieve remote code execution via CSV injection.
How severe is CVE-2020-9372?: CVE-2020-9372 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9372 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9372?: CVE-2020-9372 affects Codepeople Appointment Booking Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9372?: 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-2020-9372 published?: CVE-2020-9372 was published on 2020-03-04 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Codepeople Appointment Booking Calendar

CVE-2016-10916 — Critical (CVSS 9.8): The appointment-booking-calendar plugin before 1.1.24 for WordPress has SQL injection, a different vulnerability than…
CVE-2024-0856 — High (CVSS 8.8): The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could…
CVE-2025-46241 — High (CVSS 8.2): Cross-Site Request Forgery (CSRF) vulnerability in codepeople Appointment Booking Calendar appointment-booking-calendar…
CVE-2024-12274 — High (CVSS 7.5): The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.1.23 export settings…
CVE-2015-7319 — High (CVSS 7.5): SQL injection vulnerability in cpabc_appointments_admin_int_calendar_list.inc.php in the Appointment Booking Calendar…
CVE-2019-14791 — Medium (CVSS 6.1): The Appointment Booking Calendar plugin 1.3.18 for WordPress allows XSS via the wp-admin/admin-post.php editionarea…

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Other CWE-1236 (Improper Neutralization of Formula Elements in a CSV File) vulnerabilities

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CVE-2020-36941 — Critical (CVSS 9.8): Knockpy 4.1.1 contains a CSV injection vulnerability that allows attackers to inject malicious formulas into CSV…
CVE-2025-56267 — Critical (CVSS 9.8): A CSV injection vulnerability in the /id_profiles endpoint of Avigilon ACM v7.10.0.20 allows attackers to execute…
CVE-2023-47295 — Critical (CVSS 9.8): A CSV injection vulnerability in NCR Terminal Handler v1.5.1 allows attackers to execute arbitrary commands via…

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