CVE-2026-42718
CriticalCVSS 9.8Summary
The Booster for WooCommerce plugin in versions up to and including 8.4.0 contains a PHP Object Injection vulnerability exploitable by an unauthenticated attacker. The lack of required authorization allows exploitation without an account.
Risk Assessment
An attacker can inject a malicious PHP object, potentially leading to code execution, data disclosure, or store takeover. The threat depends on available gadgets in the application.
Recommendation
Update the Booster for WooCommerce plugin to a version newer than 8.4.0 or disable it. Consider auditing the code for unsafe deserialization.
Other vulnerabilities in Booster for WooCommerce
See all- CVE-2026-56027Critical
The Booster for WooCommerce plugin version 8.0.1 and earlier allows unauthorized arbitrary file upload by customers. This vulnerability can be exploited to upload malicious software to the server.
- CVE-2025-64380Medium
Stored Cross-Site Scripting (XSS) vulnerability in Booster for WooCommerce (versions up to 7.3.2). Allows an attacker to inject a persistent script that executes in the victim's browser.
- CVE-2025-64379Medium
Missing Authorization vulnerability in Pluggabl Booster for WooCommerce woocommerce-jetpack allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Booster for WooCommerce: from n/a through <= 7.4.0.
- CVE-2024-13342High
The Booster for WooCommerce plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'add_files_to_order' function in all versions up to, and including, 7.2.4. This makes it possible for unauthenticated attackers to upload arbitrary files with double extensions on the affected site's server which may make remote code execution possible. This is only exploitable on select instances where the configuration will execute the first extension present.
Original NVD description (English source)
Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

