CVE-2020-9372

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-03-04 · updated 2026-06-17
Weakness: CWE-1236

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.

Affected products

codepeople Appointment Booking Calendar: before 1.3.35 — fixed in 1.3.35

How to fix

Upgrade to a fixed version: codepeople Appointment Booking Calendar 1.3.35. Check the vendor advisory for mitigations.

References

http://packetstormsecurity.com/files/156694/WordPress-Appointment-Booking-Calendar-1.3.34-CSV-Injection.html
https://drive.google.com/open?id=1NNcYPaJir9SleyVr4cSPqpI2LNM7rtx9
https://wordpress.org/plugins/appointment-booking-calendar/#developers
https://www.hotdreamweaver.com/support/view.php?id=815925
http://packetstormsecurity.com/files/156694/WordPress-Appointment-Booking-Calendar-1.3.34-CSV-Injection.html
https://drive.google.com/open?id=1NNcYPaJir9SleyVr4cSPqpI2LNM7rtx9
https://wordpress.org/plugins/appointment-booking-calendar/#developers
https://www.hotdreamweaver.com/support/view.php?id=815925

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