CVE-2026-14854
Received Received - Intake

Memory Exhaustion in WooCommerce Bookings Plugin

Publication date: 2026-10-11

Last updated on: 2026-10-11

Assigner: WPScan

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.

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Meta Information

Published
2026-10-11
Last Modified
2026-10-11
Generated
2026-10-11
AI Q&A
2026-10-11
EPSS Evaluated
N/A
NVD
CVE-2026-14854
EUVD
EUVD-2026-96746

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown WooCommerce Bookings 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is in the WooCommerce Bookings WordPress plugin before version 3.11.0. It allows unauthenticated attackers to send a single malicious request that causes the server to exhaust its memory resources and crash due to improper memory allocation in an unauthenticated AJAX action.

Detection Guidance

To detect this vulnerability, check the installed version of the WooCommerce Bookings plugin. If it is below 3.11.0, the system is vulnerable. Use commands like 'wp plugin list' in WordPress or inspect the plugin files directly.

Impact Analysis

This vulnerability can cause a Denial of Service (DoS) where your website becomes unavailable due to server crashes. It requires no authentication, meaning anyone can exploit it with minimal effort, potentially disrupting your services and causing downtime.

Compliance Impact

This vulnerability could indirectly impact compliance with GDPR or HIPAA by causing service disruptions due to Denial of Service (DoS) attacks. Downtime may lead to unauthorized access risks or failure to meet data availability requirements under these regulations.

Mitigation Strategies

Immediately update the WooCommerce Bookings plugin to version 3.11.0 or later. If updating is not possible, consider disabling the plugin temporarily until the update is applied.

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