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CVE-2026-14854— WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service

Quick assessment

Affected
Unknown WooCommerce Bookings
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WooCommerce Bookings WordPress 插件在 3.11.0 版本之前存在安全漏洞。该插件在其未认证的 AJAX 操作中，在将用户提供的值用于内存分配之前未对其进行限制，导致未认证的攻击者可以通过单个请求耗尽服务器内存，从而引发拒绝服务（Denial of Service）攻击。

AI Predicted 7.5 Difficulty: Easy EPSS 0.34% · P25

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown WooCommerce Bookings < 3.11.0 affected
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I. Basic Information for CVE-2026-14854

Vulnerability Information
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Vulnerability Title
WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
The WooCommerce Bookings WordPress plugin before 3.11.0 does not limit a user-supplied value before using it to allocate memory in one of its unauthenticated AJAX actions, allowing unauthenticated attackers to exhaust server memory and cause a Denial of Service with a single request.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown WooCommerce Bookings 0 ~ 3.11.0 -

II. Public POCs for CVE-2026-14854

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III. Intelligence Information for CVE-2026-14854

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Same Patch Batch · Unknown · 2026-10-11 · 63 CVEs total

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CVE-2026-104682 Envira Gallery < 1.16.2 - Contributor Missing Authorization via Convert Gallery REST Route
CVE-2026-104028 Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE
CVE-2026-81155 Robo Gallery < 5.2.6 - Author+ Stored XSS via Gallery Search Label
CVE-2026-81154 Robo Gallery < 5.2.6 - Author+ Stored XSS via Image Alt Text
CVE-2026-81420 Tcard WP <= 1.8.0 - Unauthenticated SQLi via group_id Parameter
CVE-2026-81156 Robo Gallery < 5.2.6 - Contributor+ Stored XSS via Gallery Settings
CVE-2026-84251 click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Arbitrary Options Update
CVE-2026-81649 Fundiin <= 3.4.0 - Unauthenticated Payment Gateway Settings Update and Credential Disclosu
CVE-2026-84260 click5 CRM add-on to Gravity Forms <= 1.0.3 - Unauthenticated Stored XSS via post_notifica
CVE-2026-84259 click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Stored XSS via post_notifications
CVE-2026-84253 click5 CRM add-on to Gravity Forms <= 1.0.3 - Unauthenticated Arbitrary Options Update
CVE-2026-84261 click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Stored XSS via post_notific
CVE-2026-84254 click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Arbitrary Options Update
CVE-2026-84258 click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Stored XSS via post_notificati
CVE-2026-84737 Freeton WP <= 1.0.0 - Unauthenticated Account Takeover via 'secod' Parameter
CVE-2026-84734 Mindstien Quick Login <= 1.0 - Unauthenticated Administrator Account Takeover via 'mql_pas
CVE-2026-85121 Insurify <= 1.0 - Unauthenticated Arbitrary Option Creation and Overwrite via saveemailtem

Showing top 20 of 63 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: WooCommerce Bookings
Same vendor: Unknown

V. Comments for CVE-2026-14854

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