Appointment Booking Calendar <= 1.3.34 - CSV Injection

7.8
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVE CVE-2020-9372
CVSS 7.8 (High)
Publicly Published March 4, 2020
Last Updated January 22, 2024
Researcher Daniel Monzón

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.

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Vulnerability Details for Appointment Booking Calendar

Software Type Plugin
Software Slug appointment-booking-calendar (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.3.35, or a newer patched version
Affected Version
  • < 1.3.35
Patched Version
  • 1.3.35

Recent vulnerabilities in Appointment Booking Calendar

# Title CVE ID CVSS Researchers Date
1 Appointment Booking Calendar <= 1.4.02 - Missing Authorization to Authenticated (Contributor+) Sensitive Information Disclosure CVE-2026-12113 4.3 Wordfence PRISM June 30, 2026
2 Appointment Booking Calendar <= 1.4.01 - Authenticated (Contributor+) Sensitive Information Exposure via 'id' Parameter CVE-2026-12111 4.3 Chloe Chamberland, Wordfence PRISM June 17, 2026
3 Appointment Booking Calendar <= 1.3.96 - Missing Authorization to Arbitrary Booking Confirmation via 'cpabc_ipncheck' Parameter CVE-2025-13317 5.3 Md. Moniruzzaman Prodhan (NomanProdhan) November 21, 2025
4 Appointment Booking Calendar <= 1.3.95 - Missing Authorization CVE-2025-64261 4.3 daroo November 15, 2025
5 Appointment Booking Calendar <= 1.3.92 - Missing Authorization CVE-2025-46247 5.3 timomangcut April 22, 2025
6 Appointment Booking Calendar <= 1.3.92 - Cross-Site Request Forgery to SQL Injection CVE-2025-46241 6.5 astra.r3verii April 22, 2025
7 Appointment Booking Calendar <= 1.3.82 - Cross-Site Request Forgery CVE-2024-0856 5.4 Sushil Phuyal February 28, 2024
8 Appointment Booking Calendar <= 1.3.69 - Missing Authorization CVE-2022-43482 4.3 István Márton October 30, 2022
9 Appointment Booking Calendar <= 1.3.34 - Stored Cross-Site Scripting CVE-2020-9371 4.8 March 4, 2020
10 Appointment Booking Calendar < 1.3.19 - Cross-Site Scripting CVE-2019-14791 6.1 July 4, 2019

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