Input validation vulnerability in Mercado Pago payments for WooCommerce 6.6.0

The Mercado Pago payments for WooCommerce plugin has a security issue in versions up to 6.6.0. This issue makes it possible for unauthenticated attackers to trick other users or visitors into checking out via a forged request. This is because there is either no or incorrect verification of the ‘process_payment’ function.

Detected in:

Mercado Pago payments for WooCommerce fixed vulnerable versions: >= * <= 6.6.0

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Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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