CVE-2026-2262 PoC — Easy Appointments <= 3.12.21 - Unauthenticated Sensitive Information Exposure via REST API

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-2262.yaml

Associated Vulnerability

Title:Easy Appointments <= 3.12.21 - Unauthenticated Sensitive Information Exposure via REST API (CVE-2026-2262)
Description:The Easy Appointments plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.12.21 via the `/wp-json/wp/v2/eablocks/ea_appointments/` REST API endpoint. This is due to the endpoint being registered with `'permission_callback' => '__return_true'`, which allows access without any authentication or authorization checks. This makes it possible for unauthenticated attackers to extract sensitive customer appointment data including full names, email addresses, phone numbers, IP addresses, appointment descriptions, and pricing information.

Description

Easy Appointments WordPress plugin <= 3.12.21 contains a sensitive information exposure caused by an unauthenticated REST API endpoint /wp-json/wp/v2/eablocks/ea_appointments/ registered with permission_callback allowing unrestricted access, letting unauthenticated attackers extract sensitive customer appointment data.

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