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...

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

Summary: The HBook WordPress plugin (up to version 2.1.6) is affected by a stored XSS due to insufficient input sanitization and output escaping in the parameters hb_country_iso, hb_usa_state_iso, and hb_canada_province_iso. This enables unauthenticated attackers to inject script code that execut...