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Vulnerabilities and Security Researches

WP Booking Calendar, CVE-2026-39601

CVE, Research URL

CVE-2026-39601

Application

WP Booking Calendar

Published on
Oct 02, 2026
Research Description
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in WPdevelop Booking Calendar booking allows Leveraging Race Conditions.This issue affects Booking Calendar: from n/a through 11.8.4.
Affected versions
max 11.8.4.
Status
vulnerable