CVE-2026-39601

WordPress Booking Calendar plugin <= 11.8.4 - Race Condition vulnerability

LOW

3.7

CVSS Score

Published: October 2, 2026 at 02:49 PM UTC

Updated: October 5, 2026 at 08:17 AM UTC

1 product affected across 1 vendorBooking Calendar

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Severity

LOW3.7

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Booking Calendar · Wpdevelopwordpress-plugin

60%

v ≤ 11.8.4

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

VDB Entry

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOWPatchstack

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-362

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