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    CVE-2026-39601

    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.

    Published:Oct 2, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 2, 2026
    EPSS Score:0.00156
    CVSS Score:3.7

    Affected Products

    Vendor
    Wordpress-extensions
    Product
    Booking Calendar
    Vendor
    Wpdevelop
    Product
    Booking Calendar

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High