AIKIDO-2026-955132
WooCommerce Subscriptions is vulnerable to Remote Code Execution (RCE)
98
Critical Risk
This Affects:
WooCommerce SubscriptionsTL;DR
On stores with High-Performance Order Storage enabled, WooCommerce Subscriptions unserializes attacker-controlled input without validation. An unauthenticated attacker can trigger PHP object injection and escalate to remote code execution through a gadget chain in the plugin's bundled dependencies. The fix validates that input before unserialization so crafted payloads cannot instantiate attacker-controlled objects.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and have High-Performance Order Storage enabled.
Background info
WooCommerce Subscriptions is vulnerable to Remote Code Execution (RCE) in versions 4.7.0 - 9.0.0.
How to fix this
Upgrade the WooCommerce Subscriptions library to the patch version.
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