CVE-2026-8143

The HBook plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'hbcountryiso', 'hbusastateiso', and 'hbcanadaprovinceiso' parameters in all versions up to, and including, 2.1.6 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-8143

The HBook plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'hbcountryiso', 'hbusastateiso', and 'hbcanadaprovinceiso' parameters in all versions up to, and including, 2.1.6 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-8143 Booking Calendar – Event Calendar <= 2.1.6 - Unauthenticated Stored Cross-Site Scripting via Multiple Parameters

The HBook plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'hbcountryiso', 'hbusastateiso', and 'hbcanadaprovinceiso' parameters in all versions up to, and including, 2.1.6 due to insufficient input sanitization and output escaping. This makes it possible for...