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OpenAdvisories
Medium · 5.3 CVE-2026-24523 EUVD-2026-4392GHSA-mp3w-p427-6237

WordPress WP FullCalendar plugin <= 1.6 - Sensitive Data Exposure vulnerability

Published Jan 23, 2026 · Updated Apr 28, 2026 · Assigned by Patchstack

Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Marcus (aka @msykes) WP FullCalendar wp-fullcalendar allows Retrieve Embedded Sensitive Data.This issue affects WP FullCalendar: from n/a through <= 1.6.

Affected products

VendorProductAffectedFixed
Marcus (aka @msykes) WP FullCalendar ≤ 1.6 —

References