{"id":64290,"date":"2026-06-19T10:36:00","date_gmt":"2026-06-19T10:36:00","guid":{"rendered":"https:\/\/zero.redgem.net\/?p=64290"},"modified":"2026-06-19T10:36:00","modified_gmt":"2026-06-19T10:36:00","slug":"appointment-booking-calendar-144-authenticated-author-stored-cross-site-scripting-via-custom-booking","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=64290","title":{"rendered":"Appointment Booking Calendar <= 1.4.4 - Authenticated (Author+) Stored Cross-Site Scripting via Custom Booking Field Label_CVE-2026-1856"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;The Appointment Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom booking field labels in all versions up to, and including, 1.4.4 due to insufficient input sanitization and output escaping. 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