Easy Appointments <= 4.0.2.1 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-81798
CVSS 7.2 (High)
Publicly Published September 7, 2026
Last Updated September 10, 2026
Researcher 0xzenko

Description

The Easy Appointments plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.0.2.1. This is due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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

References

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Vulnerability Details for Easy Appointments

Software Type Plugin
Software Slug easy-appointments (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 4.0.2.1

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 < 4.0.1 - Authenticated (Contributor+) Information Exposure CVE-2026-19406 4.3 Shikhali Jamalzade August 21, 2026
5 Easy Appointments < 3.12.28 - Authenticated (Subscriber+) Information Exposure CVE-2026-14226 4.3 Phyo Ko Ko July 30, 2026
6 Easy Appointments < 3.12.28 - Authenticated (Contributor+) Insecure Direct Object Reference CVE-2026-14188 4.3 Mustafa Ahmed July 30, 2026
7 Easy Appointments < 4.0.1 - Missing Authorization CVE-2026-14221 4.3 Youssef massoudi July 30, 2026
8 Easy Appointments < 3.12.28 - Authenticated (Subscriber+) Insecure Direct Object Reference CVE-2026-14223 4.3 Mark Moore July 30, 2026
9 Easy Appointments < 3.12.28 - Missing Authorization CVE-2026-14222 4.3 WEI HSIANG WANG July 30, 2026
10 Easy Appointments < 3.12.28 - Authenticated (Subscriber+) Insecure Direct Object Reference CVE-2026-14224 4.3 Duy Tran July 29, 2026

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