CVE-2026-39601

WordPress Booking Calendar plugin <= 11.8.4 - Race Condition vulnerability

State: Published
Severity: 3.7 Low
Published: Oct 2, 2026
Updated: Oct 5, 2026
Reserved: Apr 7, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	3.7 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N	Patchstack

Weaknesses

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

Product	Versions
Booking CalendarWPdevelop	11.8.4 and earlierAffectedfrom 11.9Not affected

References

https://patchstack.com/database/wordpress/plugin/booking/vulnerability/wordpress-booking-calendar-plugin-11-8-4-race-condition-vulnerability?_s_id=cvevdb-entry

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