CVE-2026-42718

WordPress Booster for WooCommerce plugin <= 8.4.0 - PHP Object Injection vulnerability

Published Oct 10, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.

Remediation

Vendor Solution

Update the WordPress Booster for WooCommerce plugin to the latest available version (at least 8.5.0).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unauthenticated PHP Object Injection in Booster for WooCommerce <= 8.4.0 versions.
Title WordPress Booster for WooCommerce plugin <= 8.4.0 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 11, 2026, 11:53 AM
Reserved
Apr 29, 2026, 9:05 AM
Status
Deferred
Published
Oct 10, 2026, 8:16 PM
Modified
Oct 13, 2026, 1:28 PM