Easy Appointments <= 3.11.0 - Authenticated (Administrator+) Stored Cross-Site Scripting

4.4
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2023-30748
CVSS 4.4 (Medium)
Publicly Published April 14, 2023
Last Updated January 22, 2024
Researcher István Márton - Wordfence

Description

The Easy Appointments plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.11.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers , with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only impacts multi-site installations and installations where unfiltered_html has been disabled.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

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Vulnerability Details for Easy Appointments

Software Type Plugin
Software Slug easy-appointments (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.11.1, or a newer patched version
Affected Version
  • <= 3.11.0
Patched Version
  • 3.11.1

Recent vulnerabilities in Easy Appointments

# Title CVE ID CVSS Researchers Date
1 Easy Appointments <= 3.12.27 - Missing Authorization to Authenticated (Contributor+) Sensitive Customer Information Exposure via ea_get_customers_ajax AJAX Action CVE-2026-9232 6.5 Ryoma Nishioka September 18, 2026
2 Easy Appointments 4.0 - 4.0.2.1 - Unauthenticated Insecure Direct Object Reference CVE-2026-87966 5.3 blast September 16, 2026
3 Easy Appointments <= 4.0.2.1 - Missing Authorization CVE-2026-87965 5.3 Morato Antoine September 16, 2026
4 Easy Appointments <= 4.0.2.1 - Unauthenticated Stored Cross-Site Scripting CVE-2026-81798 7.2 0xzenko September 7, 2026
5 Easy Appointments < 4.0.1 - Authenticated (Contributor+) Information Exposure CVE-2026-19406 4.3 Shikhali Jamalzade August 21, 2026
6 Easy Appointments < 3.12.28 - Missing Authorization CVE-2026-14222 4.3 WEI HSIANG WANG July 30, 2026
7 Easy Appointments < 3.12.28 - Authenticated (Contributor+) Insecure Direct Object Reference CVE-2026-14188 4.3 Mustafa Ahmed July 30, 2026
8 Easy Appointments < 4.0.1 - Missing Authorization CVE-2026-14221 4.3 Youssef massoudi July 30, 2026
9 Easy Appointments < 3.12.28 - Authenticated (Subscriber+) Information Exposure CVE-2026-14226 4.3 Phyo Ko Ko July 30, 2026
10 Easy Appointments < 3.12.28 - Authenticated (Subscriber+) Insecure Direct Object Reference CVE-2026-14223 4.3 Mark Moore July 30, 2026

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